HVAC Services in Monrovia, CA

Heating and air conditioning for Monrovia - repair, replacement and upgrades for foothill neighborhoods, historic bungalows and Old Town businesses.

Call (818) 288-0805 Request an Estimate

Same-day service available
Licensed, bonded & insured - CA License #1149962
Residential & commercial

Your Local HVAC Contractor in Monrovia, CA

Monrovia stretches from the flat San Gabriel Valley up into the foothills, and the difference between the two matters for HVAC: the northern streets run hotter in the afternoon, cooler at night and see more canyon dust and smoke, while the southern neighborhoods face long, sustained summer heat. We size and service systems for each.

We provide AC repair and installation, furnace repair and replacement, heat pump and ductless mini-split installation, duct work and air quality service throughout 91016, from Old Town and the Library Park area to the North Monrovia foothill streets and the neighborhoods near Canyon Park.

We are based in Glendale and serve Monrovia along with Arcadia, Sierra Madre and Pasadena.

Monrovia Homes We Work On

Monrovia has one of the largest collections of Craftsman bungalows and Victorian homes in the San Gabriel Valley, concentrated near Old Town and in the North Monrovia historic district, alongside post-war tract homes, hillside houses and newer condos and apartments near the Gold Line station. Older homes frequently have floor or wall furnaces and no ducts; tract homes typically have a single aging split system with unsealed attic ducts.

Monrovia Services

Heating & Air Conditioning Services in Monrovia, CA

Repair, replacement, installation and maintenance for air conditioners, furnaces, heat pumps and ductless systems - for Monrovia homes and businesses alike.

AC Repair in Monrovia

Air conditioning repair for central systems, mini-splits and heat pumps: no cooling, weak airflow, refrigerant leaks, iced coils, electrical failures and drain backups. Diagnosed and quoted before work begins.

AC & Heat Pump Installation

Replacement central air conditioners and heat pumps sized for Monrovia conditions, with duct evaluation included.

Furnace & Floor Furnace Replacement

Furnace, floor furnace and wall heater repair and replacement with combustion and venting safety checks.

Ductless Mini-Split Installation

Mini-splits for historic homes, additions, ADUs, garages and upstairs rooms.

Ductwork Sealing & Replacement

Sealing, insulation and replacement of attic and crawlspace ducts.

Indoor Air Quality & Maintenance

Media filtration, air purification and seasonal maintenance.

Commercial HVAC in Monrovia, CA

We also serve the restaurants, shops and offices of Old Town Monrovia along Myrtle Avenue, plus businesses on Huntington Drive and Foothill Boulevard, with rooftop unit repair, split-system replacement and maintenance.

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What Makes Monrovia HVAC Different

Local conditions decide what equipment belongs in your home. Here is what we design around in Monrovia.

Historic homes without ductwork

Craftsman and Victorian homes in Old Town and North Monrovia often run on a floor furnace and window units. Ductless mini-splits or carefully routed compact duct systems add real air conditioning without damaging original finishes.

Foothill heat and canyon smoke

North Monrovia gets the hottest afternoons and the most fire-season smoke. Proper sizing, sealed ducts and media filtration keep systems and indoor air performing.

Aging tract-home systems

Post-war neighborhoods are full of original or second-generation systems with leaky attic ducts. Duct sealing and right-sized replacement often cut bills while improving comfort.

Monrovia Neighborhoods We Serve

We cover every Monrovia ZIP code. If your street is not listed, call (818) 288-0805 - odds are we are already working nearby.

Old Town Monrovia
North Monrovia
Library Park area
Canyon Park area
Myrtle Avenue corridor
Foothill Boulevard corridor
Huntington Drive corridor
Station Square area
Bradbury (nearby)
Duarte (nearby)
Arcadia (nearby)
Sierra Madre (nearby)

Monrovia, CA ZIP codes we service:

91016 · 91017

Monrovia HVAC Questions, Answered

Common questions from Monrovia homeowners and property managers.

Can you add central air to an older Monrovia bungalow?

Yes. Depending on the attic and layout we use compact ducted systems routed through closets and attic space or ductless mini-splits, keeping original plaster and woodwork intact.

Do you serve North Monrovia and the foothill streets?

Yes - all of 91016 including the hillside neighborhoods near Canyon Park, plus neighboring Bradbury, Duarte, Arcadia and Sierra Madre.

How quickly can you get to Monrovia?

We are based in Glendale. Same-day service is available for most repairs during business hours, subject to availability.

Is a heat pump a good fit here?

Yes. Heat pumps handle Monrovia summers and mild winters efficiently, replace an aging gas furnace and qualify for rebates. We check electrical capacity as part of the quote.

Are you licensed and insured?

Yes. NorthernWindHVAC is licensed, bonded and insured under CA License #1149962, and we pull City of Monrovia permits for equipment replacement.

We Also Serve Areas Near Monrovia

NorthernWindHVAC covers Glendale, Burbank, Tujunga, Pasadena and the surrounding Greater Los Angeles area.

Need HVAC Service in Monrovia, CA?

Call now for AC repair, heating repair, installation or a replacement estimate in Monrovia. Same-day service available, Mon-Fri 8:00 AM - 5:00 PM, Sat 10:00 AM - 4:00 PM.

Call (818) 288-0805 Request Service Online