Happy Family carrying a baby outdoor | Springfield, OH | Delong Air Inc.

Over 90% of our installations are from referrals.

Your Trusted HVAC Contractor in Springfield, OH

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Tempstar Heating And Cooling Products

Have the rapid advancements in heating and cooling left you puzzled about which company truly possesses the training and experience to handle your HVAC issues? DeLong Air, Inc. are your reliable HVAC experts serving Springfield, OH. As professionals in the mechanical industry, and an Elite Dealer for Tempstar, we go beyond the norm, focusing on your comfort and energy efficiency. Our aim? Crafting air conditioning and heating systems that redefine your living and working spaces - making them healthier, quieter, more comfortable, and environmentally conscious.

In a world of evolving heating and cooling technologies, the right choice is crucial. DeLong Air, Inc. stands at the forefront, equipped with extensive experience and a passion for innovation. Our team continually sharpens their skills in cutting-edge equipment, energy-efficient technologies, and indoor air quality enhancements. We're not just keeping up; we're setting the pace, ensuring your home or business benefits from modern HVAC breakthroughs.


At DeLong Air, Inc., trust is paramount. Our commitment to customer satisfaction is unwavering, and we pride ourselves on surpassing expectations.

Our Comprehensive HVAC Services

Air Conditioning | Springfield, OH | Delong Air Inc.

Air Conditioning

Heat Pumps | Springfield, OH | Delong Air Inc.

Heat Pumps

Gas Furnaces | Springfield, OH | Delong Air Inc.

Gas Furnaces

Geothermal | Springfield, OH | Delong Air Inc.

Geothermal

Mini Splits | Springfield, OH | Delong Air Inc.

Mini Splits

Thermoregulator | Springfield, OH | Delong Air Inc.

Thermostats

Why Choose DeLong Air Inc.?

Ease of Business

35+ Years of Experience

Family Owned and Operated

Free Estimates for Replacements and Installations

Smart Homeowners Club

Professional, Neat, Trained Technicians

We Respect Your Property

We Recognize All Manufacturer’s Warranties

95% of Service Calls Handled SAME DAY

Special Financing Available

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A Message of Thanks from Ted DeLong

“I would personally like to thank the thousands of friends and customers who have called on DeLong Air for service and installations for the past thirty years. I remain dedicated to keeping your homes and businesses comfortable and efficient, to saving you money and to fixing it right the first time.


In fact, I can accept nothing less.”


- Ted DeLong, President, DeLong Air, Inc.

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    Arrived promptly. Very pleasant and polite technician. Performed necessary services efficiently and professionally, left a detailed and clear statement of work performed. Great experience. DeLong is always 1st class.


    - Peter G.

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    Jeff @ DeLongs did a super job. Very professional, personable and knowledgeable. We will continue to use DeLongs in the future.


    - Marianne M.

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    DeLongs delivers.


    - Beverly B.

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    Ted DeLong returned a call to me within a day of my request for information with 2 contractor suggestions.   I appreciated his timely response.


    - Margaret H.

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    Employees are very knowledgeable and personable. Gets the job done fast and always on time.  We've been with Delong Air for over 5 years and they have exceeded our expectations. I'd highly recommend them.


    - Greg S.

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Need an HVAC installation or replacement? Request your free estimate today at 937-323-2300.

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