HVAC, Commercial HVAC, Residential HVAC
"Most affordable of all the companies we bid.. Communicative, quick, professional"
Steven M. in December 2021
Heat Pumps/Air Conditioning, Indoor Air Quality, Airflow (ductwork) , and 2 more
"I asked for help on Yelp where a Rat got stuck in my air condition system the exterminator told me I'd have to call the company to come out and remove the unit, not only did Chris call very fast he came out very quickly and said that very unusual request but will be able to do it and remove the rodent acid wash the unit and even did the second unit where he didn't have to this is a great company and I had given my daughter his number to get in AC unit they wanted in the house because you could trust this person 100% a great company and a great person"
Ed S. in November 2024
HVAC NEEDS, Plumbing, Performance Air Conditioning , and 1 more
"Professional, on time and I would highly recommend him to anyone who needs plumbing. He was great"
D1E4022E854ED7E0B359AF50A5BE25F12139B86B765D5CDCAA2849C092E0AB7C F. in June 2025
Air Conditioning, Indoor Air Quality, Service / Repair , and 2 more
"They are outstanding and do a great job. I use them all the time for my rental properties and I am happy to recommend them."
Richard D. in February 2017
All of your heating & cooling needs, Heating and Cooling Repairs
"Bob Jay's is amazing. They went above and beyond to make sure I was comfortable while they ordered and installed my new outside unit within a couple days. Highly recommended!"
Jessica E. in September 2017
HVAC, HVAC, Ductless systems, mini splits, heating, air conditioning, repair
"During the peak of September heat wave my AC unit went out, called Glendora Hills AC at 7 am, they had a repairman at the house by 1:00 same day. System was serviced, cleaned and running again within the hour. Thanks Enrique !!!"
Craig A. in October 2024
"I had Mammoth Air install a 3 zone mini-split and they were by FAR the best price. They were very responsive and spent the time to accommodate my HOA’s requirements. Their customer service was excellent and they were very personable and did an excellent job!"
Alice R. in September 2024
Heating and Furnace, AC and Ducts, Drain Clearing , and 16 more
"Customer service and the service tech were awesome"
Bruce G. in December 2019
"Excellent sales and service Great job"
Michael C. in December 2021
Monrovia Heating & Furnace Contractors are rated 4.9 out of 5 based on 437 reviews of 437 pros.
The HomeAdvisor Community Rating is an overall rating based on verified reviews and feedback from our community of homeowners that have been connected with service professionals. See individual business pages for full, detailed reviews.
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