14 Emergency HVAC Contractors in Waltham, MA
Top-Rated Emergency HVAC Contractors in Waltham
Colt Home Services
“All six sampled reviewers award five stars, with three specifically praising technician Joe for his thorough assessment process and two highlighting Jacky for…”
Genove Oil & Air, Inc.
“Long-term customer loyalty dominates, with three reviewers citing 20+ year relationships and one reaching 40 years. Same-day and emergency service appears…”
All Emergency HVAC Contractors (14 total)
PerfectTemp HVAC Service
“All 101 reviews are positive, with 3 customers awarding 5-star ratings and specifically naming technicians…”
Kensington Mechanical Inc
“Thirty-eight reviews produce a 4.9-star average with universal five-star ratings represented in the sampled…”
Syntegra
“Five of six detailed reviews award five stars, citing specific technicians by name for exceptional service.…”
LeBlanc Mechanical
“Two of three detailed reviews describe positive outcomes for complex dual-system repairs, with one customer…”
Cannistraro
“Four of six reviewers assigned 1-star ratings, citingreckless drivers, rudeness, financial mismanagement, and…”
HVAC Services: Heating & Air Conditioning
“All five reviewers awarded five-star ratings, indicating unanimous satisfaction with completed work.…”
JF HVAC Services
“All four reviews award five stars, with recurring praise for budget accommodation, timely arrival, and fair…”
EH Electric & HVAC
“Four of ten reviewers highlight rapid response or same-day emergency availability, while three of four…”
Burns Mechanical Corp.
“Of 4 written reviews, 2 award 5 stars citing quick response times and accurate diagnoses. One 1-star review…”
Alaskan Mechanical (HVAC)
“One of two reviews awards five stars, with the reviewer praising the technician as 'The smart hvac guy'…”
Emergency HVAC Costs in Waltham
After-hours, weekend, and holiday HVAC service pricing in Waltham. Rates are typically 1.5-2x standard.
| Service | Low | Average | High |
|---|---|---|---|
After-hours service call (weekday night) Base fee before labor | $165 | $220 | $330 |
Weekend service call | $193 | $248 | $358 |
Holiday / major holiday call | $248 | $330 | $495 |
Emergency labor (hourly) 1.5-2x standard hourly rate | $176 | $226 | $275 |
Emergency repair total (typical) Repair + after-hours surcharge | $330 | $770 | $1,320 |
Emergency repair (major) Compressor, heat exchanger failures | $1,320 | $2,420 | $3,850 |
Prices reflect continental metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
Emergency HVAC in Waltham, MA: What to Expect
Waltham and the greater Boston metro experience harsh winters with temperatures dipping to 22 F alongside humid summers reaching 82 F. This climate creates substantial year-round demand for emergency HVAC in Waltham, as heating system failures during subzero spells and cooling breakdowns during muggy July afternoons both require rapid professional response. Fourteen contractors serve this market, holding an average rating of 4.1 stars across 843 reviewed jobs, with eight offering 24-hour availability to handle system emergencies outside normal business hours.
Massachusetts enforces strict licensing standards for HVAC work. Technicians must hold both a Refrigeration Technician License and a Sheet Metal or Pipefitter journeyman or master credential from the state Division of Professional Licensure, ensuring baseline competency across the trade. These qualifications influence service pricing: a weekend service call typically ranges from $193 to $358, while holiday emergency visits commonly run $248 to $495, with after-hours weekday calls generally falling between $165 and $330 depending on the specific repair complexity and parts required.
Customer feedback highlights notable performers in the market. Colt Home Services maintains a perfect five-star average, with technician Joe earning repeated praise for thorough diagnostic assessment and Jacky noted for prompt responsiveness during cold-weather crises. Genove Oil & Air showcases remarkable client loyalty, including one reviewer citing a four-decade relationship spanning back to the 1980s. KEN's HVAC Service draws consistent commendation for Ken or George's diagnostic accuracy and fair pricing approach, with multiple customers describing situations where the team successfully resolved problems other contractors had missed.