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Trust Our Heating Experts

Schedule your $49 Heating Safety Evaluation Today!

All Pro Cooling, Heating, Plumbing & Electrical is San Bernardino County’s trusted choice for replacement, installation, maintenance, and furnace repair in Ontario and San Bernardino County, CA. Family owned and operated since 1991, we have earned a reputation of excellence that is based on our unwavering commitment to integrity, quality workmanship, and fair prices. If your furnace isn’t keeping your home warm enough, won’t turn on, or is making weird sounds or smells, don’t delay in giving us a call for prompt service!

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$29

Clear Drain Line for $29 or it’s on our Dime!

Restrictions May Apply. MUST be through a ground-level accessible clean-out. The cost is per drain. Cannot be combined with other offers.
Valid from April 1, 2025 – June 30, 2025.

Get This Deal!

$49

Electrical Safety
Evaluation

Cannot be combined with other offers. Valid from April 1, 2025 – June 30, 2025.

Get This Deal!

$49

Furnace or AC Safety Evaluation

Cannot be combined with other offers. Valid from April 1, 2025 – June 30, 2025.

Get this deal!
BRING IN THE BEAR

The ALL PRO Membership

As an ALL PRO Member, you’re backed by the beary best guarantees, offers, & priority scheduling.


Optimize performance, lower energy bills, prevent costly repairs, preserve warranties & experience peace of mind. All is paw-sible as an ALL PRO member.

  • PRIORITY SERVICE SCHEDULING Get scheduled ahead of non-members when you need a diagnostic service call.
  • 4 TUNE-UPS PER / YEAR A certified technician will tune up your cooling, heating, plumbing & electrical systems.
  • NO BREAKDOWN GUARANTEE We guarantee your system will not break down within six months of service. In the rare chance a breakdown does occur within six months of services, we will waive all dispatch & diagnostic fees, & apply a $100 credit towards any repair needed.
  • 15% OFF SERVICE REPAIRS As a member, get 15% off service repairs & indoor air quality products
  • CREDIT TOWARD INVESTMENT 100% of your membership fees (up to $500) can be credited towards a replacement.

Thousands in Value for Only

$19.99
Learn More

We Proudly Offer The Following AC Services To
Homes & Businesses In Ontario:

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Over

3 0

YEARS OF
EXPERIENCE

Since 1991

Top-Rated Plumbing, HVAC & Electrical Services

We remain steadfast in our commitment to providing outstanding customer service and tailoring our solutions to meet our customer’s unique circumstances. We take the time to understand your specific needs, as well as your budget, working closely with you to ensure that your problem is resolved efficiently and effectively the first time.

It’s because of our care for our customers that we have earned the 2020 Best of HomeAdvisor award and been awarded by Expertise.com as one of the best plumbers in the area.

Personalized Options

  • Community Service

  • Fast Response Time

  • Problem Solved the First Time

  • Personalized Option

  • FREE Estimates*

  • Our Core Values

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Thousands of Happy Customers

Was very happy with the quick response to my call for help. It was a very good experience even though it was a stressful situation. They worked with me and were empathetic to my problem and my limitations. They were very thorough in explaining the situation and what needed to be done, explaining and showing me the problem. Once it was decided what I had to do they were quick to get to work and completed the job in a very timely manner. All in all it was a stressful but good experience

– Susan C.

All Pro was awesome we called and they came the same day when our shower drain was leaking into our downstairs ceiling…..the service person was so nice and was very fast and very professional. The price was very reasonable and affordable. They did an outstanding job and we would recommend this company for all your servicing needs. This is the second time using this company, the first was for our water heater and they replaced it fast and very affordable the same day. They came at around 5 and was here until around 9 fixing not only our leaking shower drain but our water pressure value needed to be replaced. They did both and I do not think we would have gotten a better deal or a nicer person to come and do the repairs. All Pro is definitely the people we will be calling for all our plumbing, heating and air conditioning needs from now on.

– Pamela M.

They came to our rescue on January 8, 2018. we had a clogged toilet that overflowed all the way to the downstairs bathroom it was a horrific scene that day. That is when we decided to call All Pro Plumbing. Talked to a nice lady on the phone gave her our info and told us would call back to ensure us someone would come out to help. Within minutes gave us a response time and told us someone will be there within the hour. Sure enough that is when they showed up and quickly diagnosed the problem, went to work, and unclogged whatever was in there that needed to be unclogged. They were efficient, respectful, and professional. They also checkout out other things to make sure that toilet was working fine before they left. Great customer service!

– Vincent M.

Gary was absolutely amazing today. He was friendly, knowledgeable! It seemed a little pricey but our problem needed to be addressed immediately. Great customer service. I would definitely recommend!

– Danielle O.

I would recommend ALL PRO Plumbing to anyone that is looking for good professional service. They installed a sink and garbage disposal for me and did a great job. Their response time is quick. Always either the same day, or the next day

– Chris H.

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Additional Resources

Signs Your Furnace Needs Repair

Is Your Furnace Short Cycling?

Signs Your Furnace Needs Repair

Signs you need professional furnace repair include:

  • Odd noises coming from the furnace
  • Water pooling on the ground around your unit
  • Minimized or complete loss of heating and cooling ability
  • Reduced air flow from the registers

These warning signs can indicate furnace problems including faulty thermostat connections, dirty air filters, and electrical issues, among others. If your furnace is giving you trouble, you can count on All Pro Cooling, Heating, Plumbing & Electrical to troubleshoot the problem and provide an immediate and preventative solution. Once these problems are diagnosed, our team can help you fix them while preventing further furnace issues.

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Is Your Furnace Short Cycling?

One of the most common furnace problems is an issue in which the unit frequently turns on and off. This is called “short cycling” and is a problem that requires prompt attention. Short cycling can cause a host of problems including increased wear and tear on the system, increased energy costs, and more.

The main causes of short cycling are:

  • Furnace is too large for your home
  • Thermostat problems
  • Dirty filter
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Lasting Furnace Replacement & Installation in Ontario

Our team strives to repair furnaces whenever possible, but in instances where it makes more financial sense to replace, we educate our customers on their options. With a wide variety of energy efficient furnace options on the market, we can help you choose and install the right system for your needs.

Rest assured that our Ontario furnace replacement experts will never pressure you to purchase something you don’t really need. For your convenience, financing options are available to help make your purchase more affordable.

Schedule top-notch repair, installation, or furnace replacement in Ontario or San Bernardino County by calling (909) 500-8193  or contacting us online today!