Geothermal.contractors

Bestaire by Marios Inc. is an IGSHPA-certified geothermal Dealer/Contractor serving Quogue and the East End of Long Island. Owner Marios Nikolaides brings more than 20 years of HVAC expertise to residential and commercial ground source heat pump projects throughout Suffolk County. The company was selected as an installation partner for the Town of East Hampton's Energize East Hampton clean-heating initiative, reflecting its track record with heat-pump systems in the South Fork's coastal climate zone. Services include geothermal system design, ground-loop installation, and full HVAC commissioning. Bestaire holds an active NY Home Improvement Contractor license and has registered accredited installer credentials through IGSHPA. Customers in Quogue, Westhampton, Southampton, and surrounding Hamptons communities can reach the team at (631) 653-6351. Verified active operator per https://igshpa.org/directory/bestaire-by-marios-inc/ + https://www.ehamptonny.gov/613/Energize-East-Hampton (Bundle 6 audit 2026-05-29)