T&H Mechanical SystemsHVAC contractor in Norwalk, CT

T&H Mechanical Systems is ranked #41 of 724 HVAC contractors in Norwalk by CR Score, with 59 out of 100 as of October 2026. The score weighs reputation, credentials, review volume, recency, availability, trade focus, proximity, claimed profile, partnered and ContractorsRanked reviews. No business can pay to change its rank.

T&H Mechanical Systems is open 24 hours a day, 7 days a week. Its listed hours are Open 24 hours, 7 days a week. On Saturdays it is open Open 24 hours, and on Sundays Open 24 hours. Hours come from the business listing; holiday hours may differ.

Serves Norwalk and 11 towns within 25 miles: East Norwalk, Darien, Westport, New Canaan, Wilton, Stamford, North Stamford, Fairfield, Old Greenwich, Riverside and Cos Cob. The list is based on the business's location and the usual service radius for heating and cooling. Confirm your address is covered when you call.

T&H Mechanical Systems has a rating of 4.4 from 18 Google reviews. The CR Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

Call T&H Mechanical Systems on (203) 644-1098. The business is at 5 Cove Ave Unit C, Norwalk, CT 06855. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.