Serving Monrovia, the Foothills & the San Gabriel Valley Since 1976
Heating & Air Conditioning in Monrovia, CA
Connor Air Conditioning & Heating provides trusted heating and air conditioning service in Monrovia, CA for homeowners who need dependable comfort, cleaner airflow, better efficiency, and honest recommendations from an established local HVAC company.
Call (626) 286-3157 to request HVAC service in Monrovia. Same-day appointments may be available when scheduling allows.
Monrovia HVAC Service Built for Foothill Homes
Monrovia homes deal with a specific mix of Southern California comfort challenges. Hot summer afternoons, warm upstairs rooms, foothill dust, wildfire-season particles, older duct systems, and cooler winter evenings can all affect how well your heating and cooling equipment performs. Whether your home is near Old Town Monrovia, North Monrovia, Mayflower Village, the Duarte border, or closer to Arcadia and Bradbury, your HVAC system has to handle more than simple temperature control.
Connor Air Conditioning & Heating helps Monrovia homeowners with complete residential comfort solutions, including air conditioning repair, new system installation, furnace service, heat pumps, ductless mini splits, preventive maintenance, duct cleaning, and indoor comfort improvements. Our team has served San Gabriel Valley and Los Angeles area homes since 1976, giving local homeowners a long-standing HVAC company with real experience, licensed service, and a reputation built over decades.
Air Conditioning Service in Monrovia, CA
When Monrovia temperatures climb, a weak air conditioner can quickly turn into a comfort problem. Long run times, poor airflow, uneven cooling, hot bedrooms, warm supply air, short cycling, unusual noises, and rising utility bills are all signs your system needs attention. Connor Air provides careful diagnostics and practical recommendations so you know whether your AC needs repair, maintenance, airflow correction, or replacement.
If your cooling system is still in good condition, our air conditioning repair service can help restore performance before the issue becomes more expensive. For older systems that are inefficient, undersized, oversized, or no longer reliable, Connor Air also provides professional air conditioning installation with equipment selection based on your home’s size, ductwork, insulation, comfort goals, and budget.
In many Monrovia homes, the problem is not only the outdoor condenser or indoor coil. Airflow restrictions, dirty ducts, poor return-air design, aging ductwork, thermostat placement, and attic heat gain can all make a system feel weaker than it should. Connor Air looks at the full comfort system, not just the equipment box.
Heating Service, Furnace Repair & Furnace Installation
Monrovia may be known for warm weather, but winter nights still make dependable heating important. If your furnace smells unusual, makes loud startup noises, struggles to heat evenly, cycles too often, or leaves cold rooms throughout the home, it should be inspected before the problem worsens. Connor Air provides heating diagnostics and furnace repair for common performance, safety, airflow, ignition, and comfort issues.
For homes with older heating equipment, we also provide furnace installation with careful attention to sizing, airflow, efficiency, duct compatibility, and long-term comfort. A properly selected furnace can improve comfort during cool Monrovia evenings while also supporting better air movement during cooling season when the blower is part of the central HVAC system.
Heat Pumps and High-Efficiency Comfort Options
Heat pumps are an excellent option for many Monrovia homes because they provide both cooling and heating from one efficient system. They are especially useful for homeowners who want year-round comfort, improved efficiency, and a modern alternative to older air conditioning and furnace combinations. Connor Air provides heat pump installation for homes where comfort, efficiency, and system design need to work together.
Because Monrovia homes vary from historic properties near Old Town to hillside homes with difficult zoning needs, heat pump recommendations should never be one-size-fits-all. System size, duct condition, electrical capacity, indoor air handler location, and comfort expectations all matter. Connor Air helps homeowners understand the best path forward before replacing equipment.
Ductless Mini Split Installation for Rooms That Never Feel Right
Some rooms in Monrovia homes are difficult to cool or heat with a traditional central system. Additions, converted garages, guest rooms, upstairs spaces, home offices, sun-exposed rooms, and older homes without practical duct access may benefit from ductless technology. Connor Air installs ductless mini split systems that provide targeted comfort without requiring full ductwork installation.
Mini splits can be especially helpful near the foothills where sun exposure, room layout, and older construction can create major temperature differences from one part of the home to another. With the right design, a ductless system can give homeowners better zone control, improved efficiency, and quieter comfort.
Preventive Maintenance, Duct Cleaning & Better Indoor Comfort
Regular maintenance is one of the best ways to protect your heating and cooling investment. Monrovia’s dust, pollen, warm weather, attic heat, and seasonal smoke concerns can all affect system performance. Connor Air’s preventive HVAC maintenance helps identify worn parts, airflow issues, dirty coils, weak capacitors, clogged drains, thermostat concerns, and efficiency problems before they become major breakdowns.
For homes with dust buildup, allergy concerns, stale air, or dirty supply vents, air duct cleaning may also help improve the cleanliness of the air moving through the home. Clean ducts do not replace system maintenance, but they can be an important part of a broader indoor comfort strategy when ducts contain visible debris, dust accumulation, or contamination concerns.
Why Monrovia Homeowners Choose Connor Air
Connor Air Conditioning & Heating has served local homeowners since 1976. That matters when you are choosing an HVAC company to work inside your home, evaluate expensive equipment, and make recommendations that affect comfort for years. Our team focuses on practical diagnostics, quality workmanship, respectful service, and clear communication.
Homeowners call Connor Air because they want a company that understands San Gabriel Valley homes, not a generic contractor using the same script in every city. From Monrovia’s foothill neighborhoods to homes near Huntington Drive, Myrtle Avenue, Duarte Road, and the Arcadia border, we understand how local climate, home age, duct condition, equipment placement, and airflow design affect comfort.
Call (626) 286-3157 today to schedule heating and air conditioning service in Monrovia, CA.
Heating & Air Conditioning FAQs for Monrovia, CA
Do you provide same-day HVAC service in Monrovia?
Yes, same-day HVAC service in Monrovia may be available when scheduling allows. Call Connor Air as early as possible so our team can check availability and help you schedule service.
What HVAC services do you offer in Monrovia?
Connor Air provides air conditioning repair, AC installation, furnace repair, furnace installation, heat pump installation, ductless mini split installation, preventive maintenance, duct cleaning, and indoor comfort solutions for Monrovia homes.
How do I know if my AC should be repaired or replaced?
If your AC is newer and the repair is minor, repair may be the best option. If the system is older, inefficient, unreliable, or facing a major component failure, replacement may provide better long-term value.
Are heat pumps a good option for Monrovia homes?
Yes. Heat pumps can be a strong option for Monrovia because they provide efficient cooling and heating in one system, which fits Southern California’s mild winter and hot summer climate.
Can a ductless mini split help with one hot room?
Yes. Ductless mini splits are often a good solution for additions, upstairs rooms, home offices, converted garages, and rooms that do not receive enough airflow from the central HVAC system.
How often should HVAC maintenance be done?
Most Monrovia homeowners should schedule HVAC maintenance at least once per year. Systems that provide both heating and cooling, such as heat pumps, may benefit from service twice per year.

Air Duct Cleaning
Pricing Can Range from $750.00 – $1,500.00
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EXCELLENT Based on 53 reviews Posted on Google Woogie WTrustindex verifies that the original source of the review is Google. Connor Air was the best AC company among all the different estimates we got. We chose them out of 5-6 estimates because Jared and his staff are just the nicest people to work with. Very helpful in designing a system that worked best for our home. Jared designed us a beautiful heat pump system. Thanks Connor Air.Posted on Google Kevin MTrustindex verifies that the original source of the review is Google. We have been using Connor Air Conditioning since they installed our new Lennox central A/C heating system in July 2020. No problems. Great people, always a great job! We use their Preventative Matenance program every year and have dependable service every time. Thank you, Connor AirPosted on Google Kevin CTrustindex verifies that the original source of the review is Google. I recently had my complete heating and air conditioning system replaced by Connor. Jarred gave me a good estimate and explained everything that needed to be done. His crew showed up when he said they would, did a great job, and cleaned up at the end of each day. Our system works great and I would highly recommend them to anyone who asks.Posted on Google David VTrustindex verifies that the original source of the review is Google. They responded quickly to our request for a price. It was much less money than our other bids for the same equipment and labor. They got it all done in about a week and time on site was only part of one morning. We also now have them for the maintenance program.Posted on Google Victor HTrustindex verifies that the original source of the review is Google. I called Connor Air & Heating after having a bad experience with Air-tro, who couldn't fix the problem. Eric from Connor came out and over the next three hours diagnosed the problem, replaced the central heating circuit board and thermostat, both of which he had in his truck. Got everything to work....then the fuse on the circuit board started to trip because of excess heat. Turns out he realized I had too many vents closed which caused the unit to turn off. Amazing. Now several days later the heater is working like a charm. I would wholeheartedly recommend Connor Air Conditioning & Heating.Posted on Google S TTrustindex verifies that the original source of the review is Google. Our AC went out over the holiday weekend. Needed a couple of parts. Conner AC came through like a champ. And Acosta cannot be beat.