Residential Plumber & HVAC Company In Ontario, CA

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Ontario Plumbing, Heating & Air Conditioning

Full Plumber Services In & Around Ontario

Ontario is one of the oldest communities in the Inland Empire. So much of Ontario has unique, historical homes and buildings. A special city needs a special plumber that can service, replace and help you maintain all the plumbing in your home – old or new.

We offer expert plumbing repair, installation and maintenance services for the Ontario customer. Don’t let a clogged toilet, a broken water heater or an overheating garbage disposal inconvenience you again!

We offer emergency plumbing services 24 hours a day. Count on us to repair kitchen and bath plumbing issues, repair your broken sink garbage disposal and offer complete hot water heater repair and installation. No job is too big or too small for certified, experienced plumbers.

Call the professional plumbers at Klaus & Sons Plumbing Heating & Air Conditioning in Ontario, CA today for plumbing service or a free estimate!

24 Hour Emergency Plumbing Services • 24 Hour Water Heater Services • Commercial Plumbing Services • Drain Cleaning • Drain Pipe Installation • Garbage Disposal Installation • Gas Line Leak Repair • Kitchen & Bathroom Sink Installation • Low Water Pressure Services • Plumbing Repair Services • Plumbing Valve Repairs • Re-Piping Services • Copper Re-Piping • Tankless Water Heater Services • Ontario Plumbing Experts

Ontario, CA Heating Services

Do you have a broken heater? Perhaps your heater simply doesn’t do the job anymore, or you notice that your utility bills keep climbing. We can service and repair your heater, no matter what brand is in your home or how old your unit may be. Our factory-trained heating technicians have been serving the Ontario area for over 40 years. Every heating system is a little different, and an experienced technician can help you decide the best course of action for your home and energy needs. With our free in-home estimates, we can tell you exactly what you need for a heater repair or system replacement and give you an upfront, accurate estimate.

Call the professional HVAC technicians at Klaus & Sons Plumbing Heating & Air Conditioning in Ontario, CA today for heating service or a free estimate!

Furnace Repair • Heater Repair • Heat Pumps • Electric Or Gas Water Heater Replacement & Repair • Heating Maintenance • Thermostat Repair & Replacement • Ontario Heating Experts

Ontario, CA Air Conditioning Services

After a long day at work, you count on being able to cool off in the comfort of your own home. It’s frustrating when your system can’t cool you down. You can depend on Klaus & Sons to service and repair your air conditioner quickly and efficiently. Our motto is “Efficient and Way Cool” because we know that air conditioning repair and installation needs to be done right the first time. No one wants to be stuck in his or her home or business without AC on a hot day.

Our skilled technicians can maintain and repair your air conditioner so that you can stay cool. We can also help you decide on a new HVAC system that is the most efficient option for your home. The right system is essential in lowering utility bills while keeping you cool.

Call the professional HVAC technicians at Klaus & Sons Plumbing Heating & Air Conditioning in Ontario, CA today for air conditioning service or a free estimate!

AC Compressors • High-Efficiency Options • Thermostats • Air Conditioning Filters • Central Air Conditioning Installation • HVAC Service • AC Maintenance & Repair • AC Filter Replacements • Ductless Air Conditioning & Repair • Multi-Zone Air Conditioning Systems • Ontario Air Conditioning Experts

Full Residential Home Comfort In Ontario, CA

Klaus & Sons offers these other essential services to homeowners in Ontario, CA:

  • Duct Repair
  • Duct Cleaning
  • Blower Door Testing
  • Home Energy Analysis
  • Free Estimates
  • Air-Conditioning & Heating Tune-ups
  • Routine Maintenance
  • Filter Maintenance
  • Comprehensive HVAC & Plumbing Troubleshooting, Repair & Replacement

Ontario plumbing, heating and air conditioning customers can count on on-time service from skilled, professional HVAC and plumbing experts as well as 100% satisfaction guarantee. Klaus & Sons professionals are highly trained and undergo continuous education. You’ll receive friendly, courteous service from our staff and clean, efficient work by our plumbing and HVAC crew.

Our work is always in compliance with state and local Ontario codes and building guidelines.

Recent Jobs and Reviews in Ontario, CA

Job Locations and Reviews

Heather P.
Heather P. Checked in
In Ontario, CA, I performed a summer tune-up service on a 5-year-old Bryant HVAC. The comprehensive maintenance included a thorough inspection and cleaning of the entire AC unit to prepare it for peak operation. I verified proper refrigerant charging, cleaned the condenser coils to improve heat transfer, and recalibrated the thermostat for accurate temperature control. These tune-up steps help maintain the system's designed energy efficiency, extend its service life, and ensure reliable cooling performance throughout the intense summer heat.
Ontario, CA 91761
Heather P.
Heather P. Checked in
Today, I addressed an issue with a Daikin DZ20VC air conditioner in a residential home. The system was making unusual noises and struggling with efficiency. I discovered that the blower motor bearings were worn out, leading to the noise. After replacing the blower motor and conducting a vibration analysis to ensure smooth operation, I cleaned the unit's air filters and checked the refrigerant levels for adequate charge. The system is now running quietly and more efficiently.
Ontario, CA 91761
Heather P.
Heather P. Checked in
Just completed repairs on an older tank water heater for a customer in Ontario, CA. Replaced the malfunctioning heating element to restore proper heating functionality. Drained and flushed the tank to remove sediment buildup, improving water quality and efficiency. The water heater is now operating reliably.
Ontario, CA 91761
Heather P.
Heather P. Checked in
Just resolved low water pressure for a customer in Ontario, CA. Conducted a thorough inspection of plumbing lines to identify and remove any blockages or obstructions. Adjusted the pressure regulator valve to ensure optimal water flow throughout the property. Water pressure has been restored to normal levels for improved functionality.
Ontario, CA 91761
Heather P.
Heather P. Checked in
Recently addressed a toilet repair in Ontario, CA, for a satisfied customer. Diagnosed and fixed a faulty fill valve that was causing inconsistent flushing. Replaced the worn-out part, customer now has a toilet that flushes consistently.
Ontario, CA 91761
Heather P.
Heather P. Checked in
Just completed an installation of a Lennox Elite 4 Ton, 16 SEER Heat Pump for a fantastic new client in Ontario, CA. This energy-efficient system promises enhanced comfort and efficiency. With the advanced features of this Lennox heat pump, our client can now enjoy reliable heating and cooling tailored to their needs.
Ontario, CA 91761
Heather P.
Heather P. Checked in
Completed a comprehensive gas furnace maintenance in Ontario, CA, examining and cleaning components for peak functionality. Detected a minor issue with the ignition system during the service, promptly addressing and resolving it for efficient ignition and dependable heating.
Ontario, CA 91761
Heather P.
Heather P. Checked in
Rapidly attended to a gas line repair in Ontario, CA, prioritizing safety and functionality for the homeowner. Since it appears that there was a significant leak, the gas was switched off right away. After that, I tested to find the leak. I employed air pressure, soaping down all exposed fittings, isolating lines, and ended up digging subterranean lines to accomplish finding and repairing the leak. I left providing homeowners with confidence in the restored functionality.
Ontario, CA 91761
Heather P.
Heather P. Checked in
For a valuable residential customer in Ontario, California, Air Conditioning Maintenance was conducted, and the client needed their humidifier relocated. The successful relocation involved moving the humidifier to the side of the return air to improve air distribution. Now, the system is performing as it should for the client.
Ontario, CA 91761
Heather P.
Heather P. Checked in
Installed a new gas line at a residential home. Upon arrival to the home, the route of the gas line was meticulously planned. The gas line was then installed expertly, ensuring precise connections and thorough leak testing. The new line is secure and the gas appliances are operating reliably. The customer was pleased with the service.
Ontario, CA 91761
Heather P.
Heather P. Checked in
Installed a new air conditioning system for a return customer. The old broken down unit was removed and disposed of before the new system was carefully installed. Upon completion, the system was ran to ensure proper performance. The system is running as it should and will provide reliable cool air for the home. The customer is pleased with the replacement.
Ontario, CA 91762
Heather P.
Heather P. Checked in
Went out to repair a gas line at a return customer's home. Once I determined where the gas leak was, I shut off the gas supply. I then meticulously repaired the damaged line and thoroughly tested the line for other leaks, and ensured it was working properly. The line is repaired and the customer is able to use it safely for the home again. The customer was thankful for the service.
Ontario, CA 91761
Heather P.
Heather P. Checked in
Installed a new air conditioning system for a residential customer. The customer's old and broken down system was removed, before the new unit was expertly installed. Upon completion, the unit was tested to ensure proper performance. The system is running well for the home and will provide consistent cool air for the customer.
Ontario, CA 91764
Heather P.
Heather P. Checked in
Arrived at a residential home to replace the customer's pool gas line. I first thoroughly inspected the line for any leaks or damage. I then shut off the gas supply before carefully removing the old line. Once the new line was installed, I tested the line for any leaks or pressure issues. Everything is working properly and the customer was pleased with the service. The replacement will ensure a safe and efficient operation for the pool.
Ontario, CA 91762
Heather P.
Heather P. Checked in
Went out to repair a customer's air conditioning system. After inspecting the units for cooling, I found that the downstairs system was not cooling at all, even though the blower and condenser were both running. I discovered the cause for the issue was a leak in the refrigerant. The leak was found and repaired to bring the system back to proper performance.
Ontario, CA 91764
Heather P.
Heather P. Checked in
Hot water heater repair service call. Customers hot water heater was no longer producing hot water. Performed hot water repair diagnostic and discovered a bad heating element. Replaced the part and water heater now working.
Ontario, CA 91761
Heather P.
Heather P. Checked in
Garbage disposal repair service call. Customer's child had put a toy down the drain that caused some damage. Performed garbage disposal replacement and issue resolved.
Ontario, CA 91761
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