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Find Heat pump installers and replacers in Diamond Bar

Avatar for Air-Tech Air Conditioning & Heating Inc
Air-Tech Air Conditioning & Heating Inc
4.5(
202
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 1988

Free estimates

Warranties offered

"Air-Tech is one of the most professional companies I have ever dealt with. My first contact with the office was exceptional. They had Jose at my house the next day. Jose did a great job of trouble shooting the problem with my furnace and showed me which part was defective. He had to special order the replacement parts which took a few days. Soon after he left, someone dropped off two space heaters to keep our house warm until the parts arrived. Jose then installed the new parts and checked out the entire furnace to see if there were other problems. He took photos to help show what the problem was. He was efficient, conscientious, polite and thorough. The office staff and Jose kept me up to date on when he would arrive at my home. I wouldn’t hesitate to use Air-Tech again if the need arises. They are top notch."
Additional Photos
Additional Photos
Additional Photos
Additional Photos
Additional Photos

+8

Response time2 hrs
39 neighbors recently requested a quote
Recommended by93%of homeowners
Avatar for HD MECHANICAL INC
HD MECHANICAL INC
5.0(
26
)

Serving Diamond Bar, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2022

Free estimates

Emergency services offered

"As a former licensed building contractor and well respected by the building commission in Colorado Springs, CO, I must say that HD Mechanical Inc. superseded my expectations. Brandon was excellent! They were very considerate and laid a tarp on all the floors to minimize trash or dirt on the floor. Brandon came over very considerate to my needs and "did not" try to up sale me on other services that others do such as installing new venting when it is not really needed. They pulled the permit in Downey, CA and it easily passed. He communicated with me every step of the way. The receive 5 stars from me!"
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project
Heating & A/C Project
Additional Photos

+14

Response time9 hrs
Response rate85%
57 neighbors recently requested a quote
Avatar for Just Be Cool Supply LLC
Just Be Cool Supply LLC
5.0(
8
)

Serving Diamond Bar, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Emergency services offered

"Mr Avery was extremely professional and very informative. He explained the price, which I felt was reasonable and fair. He explained the warranty process. Also informed me on how getting annual maintenance on hvac system extends life expectancy. Will have him out during the winter for a heating inspection"
Heating & A/C Project
Heating and air
5 ton split system
Heating & A/C Project
Heating and air

+22

4 neighbors recently requested a quote
Recommended by87%of homeowners
Avatar for Alpine Plumbing, Heating, and Air
Alpine Plumbing, Heating, and Air
4.6(
34
)

Serving Diamond Bar, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2014

Free estimates

Emergency services offered

"I am very pleased with the quality of work Matthew, Shawn and their staff did with the Main Sewer check valve replacement and the Main Shutoff Valve replacement. The Main Shutoff valve replacement and the Hydro Jet cleaning of the Main Sewer line was not part of the initial job to be done. Matthew authorized the added job without additional charge to the original quote I was given. Matthew and Shawn has great knowledge and answered all my questions to my satisfaction. They gave me a fair price, they were very professional, thorough and polite, from beginning to end. Clear explanation of needed repairs, sound advice without any inkling of price gouging or questionable add-on expenses whatsoever. Respectable and conscientious, could not be happier. Even very neat and clean. The people that worked with Matthew and Shawn were also very professional and very thorough. I will recommend them to my friends who need a plumber and call them again when the time comes I need a plumber. I will rate the work they did with A+ and Excellent!!!"
Plumbing - Drain Cleaning Project
Sewer cleaned of roots and ready for lining
Prepping pipe for lining by removing massive roots
Mixing resin for liners, this resin gardens to create a solid pipe
Sewer robot in the pipe

+26

Response time10 hrs
9 neighbors recently requested a quote
Recommended by72%of homeowners
Avatar for Temp Air System, Inc.
Temp Air System, Inc.
4.8(
54
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2002

Free estimates

Credit card accepted

"We had Temp Air install our AC unit. The best decision we ever made. They were fast, reliable and dependable. Excellent customer service, did a phenomenal job. After a couple of years something was going on with our unit, I called them and immediately they send out a technician Juan, who was phenomenal. He explained what the issue was and resolved it asap! Highly recommend this company!"
Mini Split Installation
Mini Split Installation
Mini Split Installation
Mini Split Installation
Mini Split Installation

+14

Response time10 hrs
Response rate99%
4 neighbors recently requested a quote
Avatar for Top Energy Solutions, Inc.
Top Energy Solutions, Inc.
4.9(
62
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2019

Free estimates

Warranties offered

"Top energy solutions did a highly professional and skilled job in installing two furnaces and two air conditioners and also remove and install new attic insulation in my home. One furnace was gas and one was heat pump electric. If the installers were supposed to be on the job at 8:00am they were here. The installers were highly skilled and cleaned up at the end of each day. Top energy solutions did a highly professional and skilled job in installing two furnaces and two air conditioners and also remove and install new attic insulation in my home. One furnace was gas and one was heat pump electric. If the installers were supposed to be on the job at 8:00am they were here. The installers were highly skilled and cleaned up at the end of each day. Leor was constantly on site supervising the project from beginning to end. Every aspect of the job (planning, designing, installation, etc.) was done at a highly ethical, professional and skilled level. Based on my husbandâ  s and my experience, Top Energy Solutions deserves the highest rating possible and we highly recommend the company for heating and cooling solutions. We will not hesitate to use them again for other properties."
Roof Replacement  - Owens Corning Shingle Roof
New Windows Installation in Hollywood
5 Ton Furnace Replacement
Attic insulation
New Mini Split - Daikin Emura

+87

Response time1 day
Response rate98%
5 neighbors recently requested a quote
Avatar for Service Champions, LLC
Service Champions, LLC
4.4(
50
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2000

Free estimates

Warranties offered

"We had a split mini system installed.. They removed old A/C,@ducts in attic and condenser outside and hauled away.. They are expensive, but they do quality work. Technicians well trained and know what they are doing. Friendly and very neat.."
Area Drain Cleaning
Plumbing
Plumbing
Garbage Disposal
Drain Cleaning

+13

Response time4 hrs
Recommended by79%of homeowners
Avatar for SoCal Climate Control - LA
SoCal Climate Control - LA
4.2(
414
)

Serving Diamond Bar, CA and surrounding areas

Approved

In business since 2018

Free estimates

Emergency services offered

"The service was good, the value for the equipment and installation was good. I was impressed with the ease of the process from inspection to quote, to financing and installation was the bet I have experienced. I love our new heat pump unit, works great."
SoCal Staff
702 neighbors recently requested a quote
Recommended by88%of homeowners
Avatar for Penguin Heating and Air Inc
Penguin Heating and Air Inc
5.0(
14
)

Serving Diamond Bar, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2025

Free estimates

Emergency services offered

"They answered my request quickly and David the technician came to my home to check a problem with my outside unit as it wasn?t turning on, within minutes he figured it out gave me some options and had me cooling again right away! Thank you."
Diamond Bar
Diamond Bar
Diamond Bar
Furnace Install
AC Condenser

+6

Response time2 hrs
Response rate100%
17 neighbors recently requested a quote
Avatar for RighTime Home Services Riverside
RighTime Home Services Riverside
4.1(
124
)

Serving Diamond Bar, CA and surrounding areas

Approved (Corporate)

In business since 1947

Free estimates

Credit card accepted

"We used RighTime Home Services for our new thermostat installation and they were great from start to finish. We purchased a new thermostat but realized that we needed a C-wire for the thermostat to work. We had a C-Wire, however it did not have power because it was not connected, so we called RighTime. The Main office was so polite when we called and stated they could have someone out on the same day which was great. As soon as I finished speaking with the front office, Ian called and stated they would have the technician Trevor out to our house in 45 minutes. WOW fast service and we love it. Trevor was fantastic!!! We could not have asked for a better technician. He was so informative and explained everything and the price was fair for today's market. Trevor walk us through the installation and made sure that our air and heat worked before he left. It's hard to find great service and we are so pleased to have worked with RighTime Home Services and will be using them again in the near future."
RighTime Home Services
RighTime Home Services
RighTime Home Services
RighTime Home Services
RighTime Home Services

+2

615 neighbors recently requested a quote
Recommended by68%of homeowners
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