4.7 
566 *The Angi rating for Heating And Air Conditioning Service companies in Rossmoor, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
*The HomeAdvisor rating for Heating And Air Conditioning Service companies in Rossmoor, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Heating And Air Conditioning Service needs.
Last update on August 11, 2026
Serving Rossmoor, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2010
Free estimates
Emergency services offered
"Good service and fast response hvac system works like a charm now"
+17
Serving Rossmoor, CA and surrounding areas
Approved
In business since 1990
Free estimates
Warranties offered
"Great. My daughter contracted Air Duct Professionals to do her home. James, the technician, was professional, knowledgeable and did a quality job. I contacted Air Duct to do my home and requested James. James arrived on time and did an excellent job. He also helped me with a leak with my HVAC Condenser and diagnosed and fixed the issue."
+11
Serving Rossmoor, CA and surrounding areas
Approved
In business since 2000
Free estimates
Emergency services offered
Our business is our livelihood but it is also so much more. NT Electric & HVAC Inc was started to fill in a void in the current market and to make a business that people can place their trust in. Over the years we have never lost our commitment to our clients and that is what has allowed us to succeed in a very competitive industry. The employees of NT Electric & HVAC Inc stand committed to our purpose and will provide the best service!
Serving Rossmoor, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2022
Free estimates
Emergency services offered
"THE OWNER; CHRIS ROBINSON WAS AMAZING, EXCEPTIONAL CUSTOMER SERVICE, GREAT PEOPLE SKILLS. UNBEATABLE PRICING ON UNITS & LABOR I HAD BEEN QUOTED VERY HIGH BY 4 OTHER COMPANIES, HD MECHANICALs PRICING WAS HONESTLY EXTREMELY AFFORDABLE. HIGHLY RECOMMENDED FOR ALL YOUR HVAC NEEDS!!"
+14
Serving Rossmoor, CA and surrounding areas
Approved
In business since 2013
Free estimates
Emergency services offered
We have over 20 + years of industry experience, and are dedicated to providing our clients with the very best in installation, service, and repair for your heating and cooling needs. Our company foundation is built on honesty and integrity. We specialize in Central A/C, Heating and Furnace systems in addition to a variety of HVAC-related projects. We take pride in the quality of our work and our commitment to outstanding results. We look forward to building long-term relationships with our clients, and guarantee your satisfaction!
Serving Rossmoor, CA and surrounding areas
Approved
In business since 2019
Free estimates
Warranties offered
"Great job, Workers are great and they know HVAC. They are a great team and very nice people. Owner is very sincere & reliable. He will work with you on the best equipment...... you get what you pay for.!!!!!!!!"
+87
Serving Rossmoor, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2009
Emergency services offered
Warranties offered
"Changed out our water heater and a awesome job! Gabriel the tech did an outstanding job!"
+42
Serving Rossmoor, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2015
Free estimates
Emergency services offered
"Ionel and Lauren were excellent. They showed up when promised and did excellent work. I also found their price for a new HVAC to be very competitive. I would definitely use them again."
+19
Serving Rossmoor, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2025
Free estimates
Emergency services offered
Penguin Heating and Air Inc is here to help! We offer a variety of HVAC services from service to installations. We are based out of the Placentia, CA area. Give our team a call today. We're looking forward to working with you!\n
+6
Serving Rossmoor, CA and surrounding areas
Approved
In business since 2002
Free estimates
Credit card accepted
"Temp Air personnel are responsible, honest, knowledgable, and their customer service is top of the line. They were accommodating with a scheduled that worked for us. Also, the techs that came to our house were professionals and answered all of our questions. I highly recommend them."
+14
From average costs to expert advice, get all the answers you need to get your job done.
If your air conditioning unit isn’t functioning properly, you might need an AC recharge. Our guide will detail what a typical AC recharge cost in Los Angeles, CA looks like.
With hot summers and mild winters, Los Angeles offers an ideal climate for a heat pump. Find out what a heat pump costs in Los Angeles, California.
Find the average geothermal heating and cooling installation cost in Los Angeles, CA. Learn what you can expect to pay for your new energy-efficient system.
A central air system is great for someone looking to cool and heat their home all year round. Even if your home uses baseboard heating, you can still make the switch. Read on to learn more about adding central air to a baseboard-heated house.
Try these 12 top tips to keep your air conditioner working at maximum efficiency. Stay cool, and minimize energy costs with this expert air conditioning advice.
Is it time for a new cooling system for your home? Check out this guide to get a head-to-head comparison of heat pump vs. air conditioner systems.
