About Us

Serving You & Your Family For 16+ Years!

We’ve been providing quality heating and air conditioning services in Westfield, MA for the last 16+ years. Contact us today and be confident in the quality of service you will receive!

  • Highly Skilled & Trained Technicians

  • Flexible Financing Options Available

  • We Treat Our Customers Like Family

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Our Story

The Tereshchuk family immigrated as Ukrainian refugees in 2001 searching for better career opportunities. The family had 16 members—two parents and fourteen children (not counting grandchildren), and came directly to Massachusetts where they’ve remained since.

Anatoliy Tereshchuk was an agriculture farmer, but graduated from Porter and Chester with an HVACR diploma. From there he did an apprenticeship and decided to open his own business.

Fedor, one of Anatoliy’s sons, had an opportunity to take over the business after some years. Fedor graduated from an HVAC program in 2008, and Delta HVACR has been serving the area for the last 16+ years.

Get in touch today to schedule your service!

Here's what our customers have to say about us!

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Get in touch today to receive $1,000 OFF a whole home conversion to heat pumps, scheduled within 30 days of receiving a FREE Estimate!


Office Hours:
9:00AM-5:00PM ET

(413) 579-8484
[email protected]
95D Mainline Dr.
Westfield, MA 01085

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