"Our furnace went out on boxing day, and Ozone Control came out to help us get it running! Thank you, Ozone is always reliable!" - Cindy B.

"We originally selected another contractor with a lower price for complete HVAC systems. Then OZONE CONTROL came recommended for a far superior job." - Joan H.

"We were stuck with no heat in Cambridge, on a Saturday night in the middle of winter. Ozone Control came out and fixed our pilot light and furnace. Much appreciated!" - Andrew S.