Klaus & Sons – Air-Conditioning Installation

Keeping the Inland Empire “Way Cool”

We are the leading air-conditioning installation and replacement company in Upland and surrounding communities. Klaus & Sons is your local Lennox distributor, and we provide professional guidance to area homeowners selecting quality systems for their home or office needs. Lennox also offers financing options.

In addition to our free estimates, we will determine the right size and capacity unit that you need to achieve maximum comfort as well as optimal efficiency. Lennox  products come with an exceptional guarantee and financing options.

Our air-conditioning installers are fully licensed, bonded and insured and undergo ongoing training so you know you are getting the best HVAC appliance for your home. Air conditioning systems are very sophisticated, and a well-trained technician can make sure that your home is matched with the right air-conditioner for your needs.

We know a new air-conditioning system is an investment. We want your system to be reliable, trouble-free and energy-efficient so you can avoid the expense of constant maintenance and energy loss. You always know that a quality Klaus & Sons installation will come with a secure warranty and the installation will be in compliance with all home building codes.

We are experts in duct design, ventilation and air quality and filtration issues. We can help you decide if it’s time to repair or replace an older AC system. Call  Klaus & Sons today at (909) 982-5698 for your free estimate.

Air-Conditioning Installation • Central Air-Conditioning Installation • Home Air Conditioning & Business Air-Conditioning Services • Free Estimates • Air Conditioning Duct Installation

air-conditioning installation



Alta Loma • Azusa • Charter Oak • Chino • Chino Hills • Claremont • Diamond Bar • Fontana • Glendora • La Verne • Montclair • Ontario • Pomona • Rancho Cucamonga • San Dimas • Upland • Walnut

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