Best HVAC in New Haven, CT

New Haven hvac rates: $4,000-$14,000 per system. Always get 3 written quotes and verify CT licensing at Connecticut DCP (portal.ct.gov). Sales tax on materials: 6.35%.

• humid-continental climate
• High cost of living
• Peak: peak season
• Verify: Connecticut DCP (portal.ct.gov)

Top New Haven hvac contractors hold an active CT license (verify at Connecticut DCP (portal.ct.gov)), carry 4.5+ Google ratings with 50+ reviews, show proof of liability and workers' comp, and have 5+ years serving New Haven.

• License: Connecticut DCP (portal.ct.gov)
• Insurance proof required
• 5+ years local experience

Standard hvac in New Haven takes 1-3 days; emergency response runs 2-4 hours. During peak season expect 1-2 extra weeks. New Haven permits clear in 3-7 business days.

• peak season extends scheduling
• Permits: 3-7 days

New Haven requires permits when work exceeds $200 or involves full system replacement. Your licensed contractor pulls the permit — if they ask you to pull it, that's a red flag.

• CT threshold: $200
• Tax: 6.35%

In New Haven: (1) get 3 written quotes, (2) verify CT license at Connecticut DCP (portal.ct.gov), (3) confirm insurance, (4) read recent local reviews, (5) never pay more than 30% upfront.

• License: Connecticut DCP (portal.ct.gov)
• Max 30% deposit