NM Heating and Air ConditioningHVAC contractor in Welland, ON

NM Heating and Air Conditioning is ranked #25 of 224 HVAC contractors in Welland 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.

NM Heating and Air Conditioning is open 7 days a week. Its listed hours are Monday to Friday, 8 AM – 8 PM; Saturday and Sunday, 8 AM – 12 PM. On Saturdays it is open 8 AM to 12 PM, and on Sundays 8 AM to 12 PM. Hours come from the business listing; holiday hours may differ.

Serves Welland and 5 towns within 40 km: Port Colborne, Thorold, Niagara Falls, Fort Erie and St. Catharines. 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.

NM Heating and Air Conditioning has a rating of 5.0 from 33 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 NM Heating and Air Conditioning on (905) 325-4803. The business is at 624 Cope Rd, Welland, ON L3B 5N7. Its website is linked in the key facts on this page. Ask for a written estimate before any work starts.