Lovinaire Heating and Cooling is a local HVAC company serving Claremont and the surrounding Los Angeles County communities. We handle the full range of residential and commercial heating and cooling work, from a quick repair call to a complete system replacement. Claremont summers run hot, winters are mild but real, and wildfire-smoke season adds a layer of air quality concern that most of the country never thinks about. We know this area and the systems in it. You're talking to someone who knows the area and the systems in it.
Arrives fast. Repairs it right. Priced fair.
Whether you own a home in the foothills, manage a rental property near the Claremont Colleges, or run a small commercial space anywhere in the Pomona Valley, we are a local HVAC company homeowners rely on for the kind of work that keeps buildings comfortable year-round. Call and we'll handle the furnace, the AC, and the ductwork.
Every home's heating and cooling setup tells a different story, and we've worked on most of them. Older homes with original ductwork, newer builds with smart controls, rental units that need fast turnaround, and commercial spaces that can't afford downtime. Whatever the situation, we come prepared to diagnose it, repair it, or replace it.
When the air conditioner stops cooling, runs constantly, or won't turn on at all, we start with a full diagnosis. That means checking refrigerant levels, inspecting the condenser and evaporator coils, testing the compressor, and tracing any airflow problems back to the source. Uneven temperatures from room to room are often a sign of a refrigerant leak or a coil issue, not just a thermostat setting. We find the problem and tell you what it costs to fix it before we start.
A furnace that won't fire up or won't hold heat is a problem, even in a mild climate. We inspect the heat exchanger, burner assembly, blower motor, and thermostat wiring to find out what's wrong. Whether it's a failed igniter, a cracked heat exchanger, or an airflow restriction through the air handler, we repair it correctly the first time. If the furnace is too far gone to repair economically, we'll tell you that plainly.
Heat pumps make a lot of sense in Claremont's climate. Cooling dominates, but the winters are real enough that you want reliable heat without running a gas furnace hard. We service and repair existing heat pump systems and install new ones. If your heat pump is short-cycling, losing efficiency, or not switching modes correctly, we can diagnose the refrigerant circuit, the reversing valve, and the control wiring to get it back on track.
At some point, repair stops making sense. An aging system that breaks down repeatedly, struggles to hold temperature, or drives up energy bills every season is a candidate for replacement. We handle full HVAC system installations for residential homes, rental properties, and light commercial spaces. That covers equipment selection, removal of the old system, installation of the new unit, and testing before we leave. We work with both central systems and ductless configurations depending on what the building needs.
Leaky ductwork is one of the most common reasons a home feels uncomfortable even when the equipment is running fine. High utility bills, rooms that won't cool down, and dust buildup at supply registers are all signs that the duct system needs attention. We inspect the ductwork, seal leaks with the appropriate materials, and replace sections that are too damaged to seal. A tight duct system makes every other part of the HVAC system work better.
A thermostat replacement is one of the fastest ways to improve comfort and control. We install standard replacement thermostats and smart thermostat upgrades that give you scheduling, remote access, and zoning capability. If your thermostat is reading incorrectly, failing to communicate with the equipment, or simply outdated, we can swap it out and configure the new one before we leave.
Filtration matters more in Claremont than in a lot of places. We install whole-house air filtration systems and air purifiers that integrate directly with the existing HVAC system. During wildfire season, a standard filter is often not enough. We'll cover the specifics in the regional section below, but the short version is that we can upgrade your system's filtration capacity to handle smoke, dust, and particulates at a level that makes a real difference indoors.
A spring tune-up before cooling season and a fall check before the heater runs are the two best investments a homeowner can make in their HVAC system. A maintenance visit covers coil cleaning, refrigerant level check, blower and motor inspection, thermostat calibration, and a full system test. Catching a small problem in April costs a lot less than an emergency call in July. We'll service the system and clean up after.
For homeowners and property managers who want it done right, a fast response matters as much as the repair itself. When the AC fails in the middle of a Claremont heat event, or a furnace stops working on a cold January night, we dispatch same-day when slots are available. We handle emergency calls for both residential and commercial customers.
Landlords and property managers know that a tenant without heat or cooling is a liability. We work with rental property owners across the area and understand that fast scheduling and straight communication are part of the job. We find the fault. We make the repair. We restore the comfort.
You get straight answers about your furnace, AC, and ductwork, no surprises on what the repair involves or what it costs. Call us when the system goes down and we'll get out there. We show up ready to go to work.
Claremont sits at the base of the San Gabriel Mountains, which shapes the local climate in specific ways. Summers are hot and dry, with temperatures that push well past 100 degrees during heat events. Wildfire season brings smoke from the foothill terrain that can move through a home quickly. And California's energy policy is actively pushing toward heat pump electrification as older gas systems age out. These three realities drive a specific set of HVAC jobs that come up regularly here.
A lot of older homes in the area were built before central air conditioning was standard. California historically had some of the lowest central AC adoption rates in the country, and many of those homes are still running on window units or nothing at all. That's changed fast after recent record heat events, and first-time cooling installations are now one of the most common jobs we do.
For homes without existing ductwork, a ductless mini-split system is often the right answer. Mini-splits require no duct runs, install cleanly on the wall, and can be configured to condition individual rooms or zones. They work well in older homes, additions, converted spaces, and rental units where running new ductwork isn't practical. We handle the full installation from equipment selection through startup.
When smoke moves into the Claremont area, a standard HVAC filter does not do much to stop fine particulates from cycling through the home. MERV-13 rated filters and higher-efficiency filtration systems are designed to capture the particle sizes that make wildfire smoke dangerous to breathe indoors.
We upgrade existing HVAC systems to support MERV-13 compatible filtration and install whole-house air purification systems that work alongside the heating and cooling equipment. The right time to schedule this is before fire season, not during it. We assess the existing system, identify what filtration upgrade it can support, and install the appropriate equipment.
California's energy direction is clear: gas furnaces will eventually give way to electric heat pump systems. For homeowners in Claremont, this is already a practical conversation. The climate here is well suited to heat pumps. Mild winters mean the equipment doesn't have to work as hard in heating mode, and modern heat pump systems handle both heating and cooling efficiently in a single unit.
We handle the equipment side of heat pump electrification: system selection, removal of the old furnace or air handler, installation of the new heat pump, refrigerant line connections, and thermostat and control wiring. The electrical circuit and disconnect are the electrician's scope. We own the unit and everything connected to it on the HVAC side. Your system is in good hands with us.
We've handled everything from a quick tune-up to a full system swap, and the customer on the other end has been a homeowner, a landlord, a property manager, or a small business owner. Each situation is a little different, and we adjust accordingly.
Homeowners get the full picture: honest diagnosis, clear options, and work performed by qualified HVAC technicians who treat the home with respect. Whether it's a repair, a replacement, a new mini-split, or an air quality upgrade, we handle it completely.
Property managers and landlords need responsiveness and reliability. A tenant call about no heat or no cooling needs a same-day answer, not a three-day wait. We work with rental property owners across the Claremont area and understand that scheduling flexibility and fast communication are part of the service.
For light commercial customers, small offices, retail spaces, and multi-use buildings, we bring the same approach. Qualified technicians, straightforward pricing, and work done on a schedule that limits disruption. That's the kind of HVAC work neighbors pass along by word of mouth, and it's how we've built our business here. We'll service the system and clean up after.
We are based in Claremont and serve customers throughout the surrounding Pomona Valley and San Gabriel Valley. If you're nearby, we can get to you.
Communities we serve regularly include:
If you're in one of these areas or somewhere close by, call us and we'll confirm coverage. We keep our service area tight enough to respond quickly.
A home that heats and cools right is a comfortable home, and that's what we're here to deliver. We've been serving Claremont and the surrounding Los Angeles County communities since 2022, and every job we take on is handled by qualified HVAC technicians who know the equipment and the conditions it operates in here.
We are locally owned and personally accountable for the work we do. When you call, you reach someone who knows the area and the systems in it. We built this business on honest assessments, clean work, and follow-through, and that's still how we operate. We show up ready to go to work.
For homes without ductwork, a ductless mini-split system is typically the right solution. We assess the layout of the home, recommend the appropriate number and placement of indoor units, and handle the full installation from equipment selection through startup. There is no need to open walls or run new duct runs, and the system can condition individual rooms or zones depending on the configuration.
Standard HVAC filters are not designed to capture the fine particulates in wildfire smoke. When the system runs, it pulls air through the filter and circulates whatever the filter does not catch back through the living space. Upgrading to a MERV-13 rated filter or a whole-house air purification system significantly reduces the particulates that make it into the air you breathe indoors.
We assess your existing HVAC system to confirm it can support a higher-efficiency filter without restricting airflow, then install the appropriate MERV-13 compatible filter housing or whole-house air purification system. The upgrade integrates directly with the existing equipment and requires no separate system. The right time to schedule this is before fire season begins, not during it.
A heat pump moves heat rather than generating it. In cooling mode, it pulls heat out of the indoor air and transfers it outside. In heating mode, it reverses that process and pulls heat from the outdoor air into the home. One system handles both functions, which simplifies the equipment in the home and removes the need for a separate furnace.
Yes. Heat pumps perform best in climates with mild winters, and Claremont's winters fit that profile well. The heating load is low enough that a properly sized heat pump handles it efficiently, and the cooling performance in summer is the same as a standard central air conditioner. The combination makes heat pump electrification a practical choice for most homes in this area.
We handle equipment selection, removal of the existing furnace or air handler, installation of the new heat pump indoor and outdoor units, refrigerant line connections, and thermostat and control wiring. The electrical circuit and disconnect are outside our scope and belong to a licensed electrician. We own the unit and everything connected to it on the heating-and-cooling side.
A tune-up visit covers coil cleaning, refrigerant level check, blower and motor inspection, thermostat calibration, electrical connections on the equipment, and a full system test. We also flag any components that look like they could become a problem before the next season begins. Catching a small issue in spring costs significantly less than an emergency call in July.
A system that is losing efficiency works harder and runs longer to reach the set temperature. Refrigerant leaks, dirty coils, a failing compressor, and leaky ductwork all force the system to compensate, and that extra run time shows up on the utility bill. In Claremont's climate, where the cooling system runs hard for months at a time, those losses add up quickly.
Frequent short cycling, inconsistent heating or cooling output, unusual sounds from the equipment, and a pattern of increasing repair calls are all signs the system is nearing the end of its useful life. Rising energy bills without a change in usage habits are another indicator. We will tell you honestly where the system stands and what your options are.
Uneven temperatures are usually caused by leaky or improperly balanced ductwork, a refrigerant issue, or a system that is undersized for the space it is conditioning. We inspect the ductwork, check refrigerant levels, and assess airflow to identify the cause. In many cases, sealing the duct system resolves the problem without any equipment changes.
Lovinaire Heating and Cooling handles the full range of residential and commercial heating and cooling work, from emergency repairs to first-time AC installations to heat pump electrification. If your system needs attention, we're ready to come out.
Pick the date. We do the work. We clean up after.
Call (909) 929-7895 to request an estimate or schedule a service call. We serve Claremont and the surrounding area, and we're ready to help.
We handle the full range of heating and cooling work across Claremont and the surrounding Los Angeles County area, from a same-day repair call to a complete system replacement. Whether you are dealing with an AC that stopped cooling, a furnace that will not fire, or a home that has never had air conditioning at all, we bring the same straightforward approach to every job: show up ready, do the work right, and leave the space clean. The table below covers what we offer, who each service fits best, and a few practical notes to help you figure out where to start.
| System Service | What's Included | Best For | Good to Know |
|---|---|---|---|
| Heating and Furnace Repair | no-heat diagnosis, gas furnace fault repair, ignition and heat-output testing, emergency same-day appointments | any home where the heater is blowing cold air or will not start at all | Claremont winters are mild but real; a furnace that fails on a cold night qualifies as an emergency call. |
| Emergency HVAC Service | same-day and after-hours dispatch, no-heat and no-cool calls, system-down response, residential and commercial coverage | any situation where the system is completely down and waiting for a regular appointment is not an option | We take emergency calls every day; call as early as possible so we can fit you into same-day routing. |
| Ductwork Repair and Sealing | duct inspection and leak detection, sealing and repair, duct section replacement, airflow balancing | homes with rooms that are always too hot or too cold, or energy bills that seem higher than they should be | Leaky ductwork can waste a significant share of conditioned air before it ever reaches the living space. |
| Thermostat and Smart-Control Installation | faulty thermostat replacement, programmable and smart thermostat install, system communication verification, settings walkthrough with the homeowner | anyone whose thermostat reads wrong temperatures, drops schedules, or has stopped talking to the HVAC equipment | A smart thermostat upgrade is one of the lowest-cost ways to improve day-to-day comfort and energy use. |
| Seasonal Maintenance and Tune-Ups | equipment inspection and cleaning, refrigerant level check, controls and safety-switch testing, early fault identification | homeowners and property managers who want to stay ahead of breakdowns rather than react to them | A spring tune-up preps the AC for summer heat; a fall tune-up gets the heating system ready before the first cold stretch. |
| First-Time AC and Ductless Cooling Installation | home layout assessment, mini-split system sizing, indoor and outdoor unit installation, no ductwork required | older Claremont homes that were built without central air and do not have existing ductwork | Recent heat events have accelerated demand for first-time cooling in homes that historically did not need it. |
| Indoor Air Quality and Air Filtration | whole-house air filtration installation, UV air purifier installation, high-efficiency media filter upgrades, HVAC filter replacement | households concerned about allergens, dust, or airborne particles circulating through the home | Inland Southern California sees some of the region's worst air during wildfire season; filtration upgrades pay off fast here. |
| AC Repair and Service | diagnosis and fault repair, refrigerant leak check, condenser and coil service, same-day availability for urgent calls | homeowners or tenants dealing with warm air, weak airflow, or a system that will not turn on | Catching a refrigerant or airflow problem early usually costs less than waiting until the system stops working entirely. |
| Heat Pump Electrification | gas-to-heat-pump system replacement, indoor and outdoor unit installation, equipment sizing for the home, heating and cooling from a single system | homeowners upgrading from a gas furnace as part of a move toward electric-first heating and cooling | Southern California homeowners are replacing gas forced-air systems with heat pumps at a growing rate; we handle the full installation. |
| Wildfire-Smoke Air Filtration (MERV-13+) | MERV-13 and higher filter system installation, whole-house air scrubber installation, media filter upgrades, fine smoke particle capture | households that want protection when wildfire smoke moves through the Los Angeles County area | A standard filter does not capture fine smoke particles; a MERV-13-capable upgrade is a straightforward improvement that matters every fire season. |
| Heat Pump Repair and Installation | heat pump fault diagnosis, repair across makes and models, full heat pump replacement, ductless mini-split repair and service | homes running on a heat pump or mini-split that is not heating, not cooling, or not turning on | A heat pump handles both heating and cooling from one system, so a failure affects comfort year-round. |
| Full System Installation and Replacement | equipment removal and disposal, new system sizing and installation, airflow and refrigerant verification, controls testing before we leave | homeowners whose equipment is aging, repeatedly breaking down, or no longer cost-effective to repair | Most full replacements are completed in a single day; we confirm everything is running correctly before we leave. |
How do I know whether to repair my AC or replace it entirely?
We look at a few things together: the age of the equipment, the cost of the repair relative to what a replacement would run, and whether the system has been breaking down repeatedly. A younger system with a single fault is usually worth repairing. A system that is ten or more years old, needs an expensive part, and has already had several repair calls in recent seasons is often a better candidate for replacement. We walk you through that comparison honestly and let you make the decision with full information.
Why would my system stop heating or cooling even though it is running?
A system that is running but not conditioning the air usually has one of a few causes: a refrigerant leak, a dirty or blocked coil, an airflow restriction from a clogged filter, a failing compressor, or a controls issue where the system thinks it is doing the right thing but is not. A qualified HVAC technician can diagnose the specific cause quickly. We give you a clear explanation of what we found before any repair work begins.
How often should I schedule a tune-up or maintenance visit?
Twice a year is the standard: once in spring before the cooling season and once in fall before the heating season. Each visit covers inspection, cleaning, refrigerant check, and controls testing. Staying on that schedule helps catch small problems before they turn into emergency calls, which is usually a better outcome for both the equipment and the budget.
Transparent Pricing Before Any Work Begins
We provide a clear quote before we start, and we communicate with you before proceeding if anything changes during the job. The invoice should not look different from the estimate you agreed to.
What do strange noises from my HVAC unit usually mean?
It depends on the sound. Grinding or metal-on-metal noise often points to a bearing or blower motor issue. Banging can mean a loose component inside the unit. A high-pitched squealing sometimes indicates a belt or motor problem. Clicking at startup is normal; clicking that continues through a cycle is not. Any sound that is new or getting louder is worth a technician visit before it turns into a bigger failure.
Can a dirty filter or coil actually hurt system performance?
Yes, significantly. A clogged filter restricts the airflow the system depends on, which forces the equipment to work harder and can cause the evaporator coil to freeze. A dirty coil loses its ability to transfer heat efficiently, which means the system runs longer to do less. Both problems show up as higher energy use, weaker cooling or heating, and more wear on the equipment over time. Replacing the filter regularly and scheduling annual coil cleaning are two of the simplest ways to protect the system.
Why is one room in my home always hotter or colder than the rest?
Uneven temperatures across rooms usually come from one of three places: a ductwork problem such as a leak or a disconnected run, an airflow imbalance in the system, or an equipment issue like a failing blower motor. Older homes sometimes have duct layouts that were not designed for the current system. We inspect the ductwork and the equipment to find the actual cause rather than guessing.
Work Performed by Qualified HVAC Technicians
Every repair, installation, and maintenance visit is handled by qualified HVAC technicians who know the equipment and know what to look for. We do not cut corners on the work or on how we communicate with you about it.
What does a thermostat or smart-control upgrade actually involve?
A typical thermostat installation takes less than an hour. We remove the old unit, check the wiring at the wall, mount and wire the new thermostat, confirm it is communicating correctly with the HVAC equipment, and walk you through the settings before we leave. A smart thermostat that connects to your phone or a home system takes the same amount of time; the extra step is confirming the Wi-Fi pairing and app setup works before we go.
Do I need to be home during the service visit?
For work inside the home, yes, someone needs to be there to provide access and sign off on the work. For outdoor-only work on a condenser or heat pump unit where no interior access is needed, we can sometimes arrange access differently. Call us and we will work out the logistics based on what the job involves.
Experienced With Older and Newer Systems
Claremont has a mix of older homes, newer construction, and commercial properties, and we have worked on all of it. Whether the system is decades old or recently installed, we bring the same care to the diagnosis and the repair.
How does same-day or emergency service work?
Call us at (909) 929-7895 as early in the day as possible. We ask a few questions about the system and the symptoms, check our schedule, and dispatch a technician the same day when slots are available. No-heat and no-cool calls get priority. Both residential customers and commercial properties are covered for emergency dispatch.
How do MERV-13 filters help during wildfire smoke events?
Standard one-inch filters capture larger particles but let fine smoke particles pass through and circulate in the home. MERV-13-rated filters and above are designed to capture much smaller particles, including the fine particulate matter that makes wildfire smoke harmful indoors. We install MERV-13-capable filter housings, whole-house air scrubbers, and media filter upgrades that work with your existing HVAC equipment. For homes in the Claremont area, where smoke from regional fires can settle for days at a time, the upgrade is a practical one.
What is involved in switching from a gas furnace to a heat pump?
We size a heat pump system to the home, select the indoor and outdoor units, remove the old furnace, and install the new equipment. A heat pump handles both heating in winter and cooling in summer from a single system, which simplifies what is in the home and removes the dependency on gas for space heating. We handle the full installation and test both modes before we leave. If you have questions about whether the switch makes sense for your home, call us and we will walk through it with you.
Call (909) 929-7895 and we will help you figure out exactly what your system needs and get it scheduled.
(909) 929-7895