HVAC Products For Montclair, CA Area Homes

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Quality Systems In & Around Montclair

At Klaus & Sons Plumbing Heating & Air Conditioning in Upland, we’ve got all the HVAC products you’re looking for to keep your home comfortable. Whether you’re looking for heating and cooling products or indoor air quality products, our energy-efficient selection of equipment will help make your home comfy in every season. We have the ideal solution for your family and your needs. Connect with us today to schedule your complimentary estimate on a new system!

Klaus Mascot With Lennox Products


Our very energy-efficient heating products will keep your home warm all winter. Our PreciseComfort™ and variable speed technology will help you enjoy an evenly heated home without the loud noises of traditional furnaces.

Air Conditioners

You want to stay cool in the summer, but you don’t want your energy bills to skyrocket. With Lennox air conditioners, available from Klaus & Sons Heating & Air Conditioning in Upland, you’ll find energy-efficient cooling products that will quietly cool your house and help you save big on your utility expenses.

Thermostats & Comfort Controls

Whether you’re at home all day or leaving Upland for the weekend, comfort controls will ensure your home is kept at the temperature you want it. At Klaus & Sons Heating & Air Conditioning, we offer thermostats and zoning systems to effectively warm and cool your home at all times.

Indoor Air Quality Products

The healthiest HVAC products in Upland can be found just around the corner at Klaus & Sons Heating & Air Conditioning. Our indoor air quality systems offer solutions to better your home’s indoor air quality and all that goes along with it.

Energy-Efficient HVAC Products

How do you keep cool while saving on energy? With the help of Klaus & Sons and our energy-efficient HVAC systems! We offer a number of highly efficient ACs and furnaces that run on less energy and still keep you comfortable.

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