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CostLess Heating & Cooling

4.9 (914 reviews)
Open Open 24 hours
Updated 2 weeks ago

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10 minutes

Response rate

100%

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Services - CostLess Heating & Cooling

HVAC installation or replacement

HVAC system repair

HVAC system maintenance

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AC is now fixed
Aileen C.

I originally found costless on Facebook but I had to search the reviews on yelp. I couldn't be happier with the service from Cost Less Heating & Cooling! My air conditioning stopped working and they came out quickly, diagnosed the problem, and had it fixed in no time. The technician was professional, knowledgeable, and very courteous. They explained everything clearly and the price was fair. I highly recommend Cost Less Heating & Cooling to anyone looking for reliable and honest HVAC service!"

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1 month ago

Everything was great; communication was quick and direct. Service was on time and performed well.

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Sal P.

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4 months ago

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Sal P.

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6 months ago

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Sal P.

Helpful 3
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7 hours ago

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Sal P.

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15 days ago

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Sal P.

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19 days ago

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Sal P.

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26 days ago

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Sal P.

Helpful 2
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9 months ago

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Sal P.

Helpful 4
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21 days ago

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Sal P.

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3 months ago

Came next day- diagnosed AC issue within 5 min and had materials to fix right away. Thank you!

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Sal P.

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21 days ago

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Sal P.

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6 months ago

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Sal P.

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1 month ago

Sal is the best! Honest, responsive, and super friendly. He is going to take a good care of your A/C oand your furnace.

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Sal P.

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4 months ago

We have used Costless on a few different homes and they've always been very quick to respond and get us taken care of in a timely manner!

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Sal P.

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2 months ago

Sal is very honest thorough worker! He helped get my ac cleaned so well and helped protect it for long term! Highly Recommended!

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Sal P.

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9 months ago

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Sal P.

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5 months ago

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Sal P.

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9 months ago

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Sal P.

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4 months ago

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Sal P.

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3 months ago

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Sal P.

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10 months ago

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Sal P.

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5 months ago

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Sal P.

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1 year ago

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Sal P.

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5 months ago

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Sal P.

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1 year ago

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Sal P.

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6 months ago

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Sal P.

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6 months ago

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Sal P.

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6 months ago

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Sal P.

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1 year ago

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Sal P.

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1 year ago

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Sal P.

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7 months ago

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Sal P.

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7 months ago

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2 years ago

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Sal P.

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5 months ago

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Sal P.

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2 years ago

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Sal P.

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4 months ago

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Sal P.

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5 months ago

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Sal P.

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2 years ago

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Sal P.

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11 months ago

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Sal P.

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2 years ago

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Page 1 of 23

Ask the Community - CostLess Heating & Cooling

Do you repair and/ or replace ducts under mobile homes?

Do you do wall unit air conditioner tune ups and / or installations?

Do you replace gas wall heaters?

Water is leaking under the HVAC thermostat. Do you fix this issue?

Can you replace my through-the wall air conditioner? The sleeve in my wall measures 26" wide by 19" tall. So many models at Home Depot but I have no idea how to choose. I think I need a pro to choose the right model for my house and install it.

Do you guys clean dryer vents?

Could you help us remove an old swamp cooler from our roof? Swamp cooler removal?

Do you repair HVAC zone dampers? One of my home zones has stopped working - i.e., airflow has stopped even when the system is on, A/C or heat. Do you do this kind of repair job?

Do you work over the weekend?

Can you do outdoor heating installation for retail locations? Do you have any recommendations of someone that can?

I have a mini-split AC system. Do you provide maintenance service on mini-split systems like a full cleaning?

Are you able to do R-438A / MO99 refrigerant replacement on an existing R-22 system? If so what are the approximate labor charges on a 2 ton system and price per pound for the MO99 you charge?

Does your company inspect, and repair existing air ductwork?

Do install attic fans and home vents?

Do you provide Attic Cleaning services?

Do you do insulation installation too?

Do you service/ replace Cadet heaters?

Hello cost less do you guys provide free inhouse estimates for new furnaceand Ac&?

I'm looking to install Centralized Air condition. Not sure if you can do this or have anyone of you partner you can recommend?

View All 24 Questions

Review Highlights - CostLess Heating & Cooling

This is the second time that I have worked with Sal this time he came out to replace my air-conditioning unit.

Mentioned in 616 reviews

Read more highlights

Duct Pros - Cleaning

Duct Pros

(195 reviews)

Lakeshore

Got the premium package which was slightly better pricing. Easy to schedule and good communication…read more Had to change my appointment due to emergency which was fine. Showed up about 20 min late after the assigned window, but would have been nice to update me earlier. Seems like they did a good job, took around 1-1.5 hrs, however left a lot of dust and debris after on my kitchen counter and on the bed in the bedroom after they left. They also helped me change the air filters in the heater. Addendum: upgraded to add 5 stars after they reached to to rectify the situation. Appreciate it

I requested quotes from several duct cleaning companies through Yelp and Duct Pros stood out for…read morebeing straightforward and reasonably priced compared to others. One big tip skip the promo emails. The deals you get by contacting them directly are much better than what's advertised in those marketing blasts. Booking and pricing experience Communication was easy and transparent. No aggressive upselling, no pressure to add unnecessary services. They also offer solid incentives if you schedule on a weekend and are flexible with payment options, which I appreciated. Service experience The crew showed up on time and finished everything efficiently in about two hours. They did not show up with flashy uniforms or branded trucks, but honestly that mattered far less than the quality of the work. They clearly knew what they were doing and moved with purpose. They went the extra mile by pulling out the dryer and cleaning it thoroughly from the inside, not just the vent line. Bathroom exhaust fans were cleaned properly as well, which is something a lot of companies rush through. Results This is a relatively newer house so there wasn't a ton of buildup, but the work was done cleanly and professionally. No mess left behind and no shortcuts taken. Final verdict If you want honest work, fair pricing, and zero sales nonsense, Duct Pros is an easy recommendation. I would book them again without hesitation.

Calvey Heating and Air

Calvey Heating and Air

(524 reviews)

Downtown

I am a repeat customer. They had been taking excellent care of my 28+ year old Carrier Furnace…read more But, I wanted to explore replacing for more efficiency. Michael came out to my house and walked me through the pros and cons of a heat pump HVAC. For my home, the extra money made no sense. I really do not need central AC. We then talked about a new Carrier, high-efficency furnace. That was exactly what I needed. I also opted for the Ecobee Smart, wi-fi enabled thermostat. I am extremely happy with everything. The price was right. The installation was flawless. The post-intall QA walkghrough, by Johnny, went really well. ThenI worked with the folks that checked all the boxes post-intalleation. HERS test was easy with a pass.. Today, we passed the inspection, in under 5 minute. Every person I dealt with was amiable and professiona. The office staff always very nice. Michael Calvey was a joy to talk to. Thank you to Johnny, the project manager, and the folks from HOPSTER that facilitated the post-installation test and inspectioin. From start to finish I met with Michael on February 12th. The 16th the new furnace was intalled. February 17th Johnny did the QA walkthrough. February 18th HOPSTER did their pre-test and inspection walkthrough. The HERS test was done February 23rd. March 5th the city inspection was complete. I will continue to use Calvey for annual maintenance

Seems redundant but we had an excellent experience with Calvey…read moreI should say we ALWAYS have an excellent experience. Yes we are repeat customers. That is itself is a compliment.... The people they send out are always well trained, courteous and explain what is needed in a patient and understandable manner. I want to give a particular shout out to our service man Jared...If you can get him for your appt you are VERY Lucky.

Breathable - New logo

Breathable

(979 reviews)

Civic Center

This is my third time using Breathable over the past 10 years, and they continue to deliver…read moreexceptional service. Felipe and his team member arrived right on time in Pleasanton, within five minutes of our scheduled window, which I really appreciated. What impressed me most was how they took the time to properly install plastic sheets before starting the Type-B system cleaning and dryer vent work - something I've noticed many HVAC technicians skip. They were incredibly organized throughout the entire process, carefully removing and reinstalling components without rushing through the job. The team maintained excellent cleanliness standards during the duct cleaning and bathroom exhaust cleaning, leaving my home spotless when they finished. Their attention to detail and professional approach really shows why I keep coming back to them for my indoor air quality needs. Overall, they did an excellent job and I wouldn't hesitate to recommend their Bay Area HVAC services to others.

The team at Breathable were outstanding! Juan, Jaime and crew came and cleaned our air ducts,…read morechanged the filter on our heater, cleaned all the bathroom overhead vents as well as our dryer vent. They were thorough, courteous, on time and fixed a few things that were installed incorrectly by the previous owners. It feels so good to have this taken care of and know that I am breathing cleaner air and my heater will work more effectively thanks to the team at Breathable.

CostLess Heating & Cooling - hvac - Updated June 2026

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