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DeLong Air demonstrates strong response time performance, with technicians typically arriving within one to two hours of service calls, and receives consistent praise for technician knowledge and thorough explanations of repairs and installations from named employees including Kevin Vest and John Seiber. However, the company has faced criticism regarding service delays on necessary repairs and perceived inconsistent customer treatment, with one customer reporting reluctance to complete a straightforward exhaust venting fix without advance payment.
Based on Google reviews
About the Contractor
Delong Air Inc. is a licensed HVAC contractor based in Springfield, Ohio, providing heating and cooling services to residential and commercial customers throughout the region. The company offers geothermal system installation and service, heat pumps, gas furnaces, Mitsubishi Electric ductless systems, mini-splits, and smart thermostats. Delong Air holds EPA certification and serves clients through a Smart Homeowners Club program with financing available and seasonal coupons. Their Springfield location at 25 Snyder St serves Clark County and surrounding communities.
Verified active operator per https://www.delongair.com (Ohio audit 2026-05-30)
Elite Dealer for Tempstar with 35+ years of experience serving Springfield, generating over 90% of installations through customer referrals and maintaining a 4.7-star rating from 238 reviews.
Geothermal heat pump installations in Ohio require specific permits and compliance with state regulations regarding well drilling, loop installation, and refrigerant handling. Contact your local building department for specific requirements in your area.
How much can I save on heating and cooling costs with a geothermal system from DeLong Air in Springfield?add
Homeowners can expect 30–60% heating cost reductions and 20–50% cooling savings with geothermal heating and cooling systems installed by DeLong Air. Ground-source heat pump systems also feature durable indoor components with 25-year lifespans and minimal maintenance requirements.
Does DeLong Air offer financing options for geothermal installation in Springfield, OH?add
Yes, DeLong Air offers 12-month financing with approved credit for geothermal and other HVAC installations. The company also provides free estimates and consultations to help customers understand their options.
What geothermal brands does DeLong Air install in Springfield?add
DeLong Air is an Elite Dealer for Tempstar and recognizes all manufacturer warranties on the systems they install.
Why should I choose DeLong Air for geothermal service and retrofit in Springfield?add
DeLong Air has over 35 years of HVAC expertise, is family-owned with professional trained technicians, and over 90% of their installations come from referrals. They maintain a 4.7-star Google rating from 238 reviews and focus on energy efficiency and customer satisfaction.
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If you need to reach Delong Air Inc directly: (937) 323-2300
Geothermal heat pump installations in Ohio may require drilling permits, environmental site assessments, and compliance with local well and thermal energy regulations. Requirements vary by jurisdiction and system type (vertical, horizontal, open-loop). Contact your local municipality, state energy office, or a licensed geothermal installer for specific permitting requirements in your area.
