Heat Pumps/Air Conditioning, Indoor Air Quality, Airflow (ductwork) , and 2 more
"Chris was the absolute best. So professional, knowledgeable, and on time. He did great work, kept everything up front and had amazing communication. I would HIGHLY recommend Trinity Heating And AC for your heating and cooling needsâ ¦"
Kerry S. in June 2024
HVAC
"Gerry arrived on time very professional and listened to what my concerns were. He explained everything from installation to financing. Soon Tony and Eric were here installing my new Lenox. I’m so happy with this company and will gladly refer them again. always. Yvette"
A00992C9C48D122C891BC20C84B796661BBB6D001764BA9C929BEAD86E1B42A1 B. in May 2025

Heating & Furnace Systems, A/C & Cooling Systems, Ducts
"He was professional, nice and punctual. He didn't try to rip me off. It was a small part that needed replaced. I would trust him to come work in my home again."
Susan B. in December 2018

HVAC NEEDS, Plumbing, Performance Air Conditioning , and 1 more
"I recently had the pleasure of working with Authority Plumbing, and I cannot recommend them highly enough. From the outset, they came to my home with a plan that demonstrated their deep understanding of plumbing challenges. Clayton, the technician assigned to my project, was exceptional. He took the time to listen to my concerns and opinions, making sure that I felt heard and valued. He explained each step, ensuring I was comfortable with the plan before proceeding. When a sub-contractor was brought on to streamline the process started making several errors, Clayton quickly took charge of the situation. They fixed these mistakes, alongside resolving my initial drainage issues, at no additional expense, was truly remarkable. The team demonstrated a genuine commitment to ensuring the work was completed to the highest standard. Thanks to their efforts, my plumbing issues have been resolved. I would not hesitate to recommend them to anyone in need of professional plumbing services."
AB684F47244A0CD28AF45256BEB426A4F6473444084C8DE5CE96E4E7803186A5 1. in October 2025

Heating and A/C
"Frank and his installed my new furnace fast and smoothly. Price is highly competitive as well. Easy to talk to and very professional."
Gen R. in March 2021

Central Air Install and Repair, Gas Furnace Install and Repair, Air Ducts & Vents Clean , and 1 more
"I had been freezing for 3 days. I called year round and they came out within the hour. Put booties on his shoes before entering the house. Went to check out the unit on the roof, and 10 minutes later, I had heat. Told me the cause, and put it on the receipt for the hoa. Total cost??? $19.00 !!!!!!!! Like really? I ve checked several times to see if they added charges. They did not!! People please use this service. No I m not getting paid for advertising lol. Please share"
Ruth R. in December 2019
HVAC Installs, HVAC Repairs
"Hassan was very prompt, professional and personable. He found the problem and offered me choices on how to fix it. He made sure the system was working properly and in good condition before he left. I also enjoyed talking to him about his experiances abroad."
Daniel M. in May 2009

HVAC, Service Calls, Emergency Calls , and 6 more
"They did a great job repairing the central A/C system."
Linh N. in September 2024
"Outstanding personnel, extremely competent, and professional. I highly recommend the company."
Edward V. in November 2019
Ontario Heating & Furnace Contractors are rated 4.8 out of 5 based on 1072 reviews of 1072 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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