Tonna Mechanical: Heating, A/C, Water Treatment, Plumbing & Duct Cleaning
Rochester, MN HVAC · #1 of 3 · NATE-certified · 50+ yrs
Tonna Mechanical: Heating, A/C, Water Treatment, Plumbing & Duct Cleaning as a HVAC provider
Rochester, MN HVAC · #1 of 3 · NATE-certified · 50+ yrs
Tonna Mechanical leads with a strong HVAC replacement and repair footprint in Rochester. The company states NATE-certified technicians staff field crews. Tonna advertises 24/7 emergency response for no-heat or cooling outages. The company promotes a "Just Right" Comfort Club maintenance plan for seasonal upkeep. Rochester's harsh winters make their heating expertise and Carrier installations especially relevant.
HVAC replacement and emergency repair specialist serving Rochester and southeastern Minnesota. NATE-certified technicians, per their site, handle installs and repairs. Years in business: 50+ years serving the region. Emergency response: 24/7 service is advertised on the homepage.
| Signal | Tonna Mechanical: Heating, A/… | Rochester avg | Delta |
|---|---|---|---|
| Vouched Score | 93/100 | 88/100 | +5 vs avg |
| Google rating | 4.9★ | 4.9★ | matches city average |
| Review volume | 3,660+ | 2,900+ | +759 vs avg |
| Years in business | 50+ | 34+ | +16 vs avg |
- High Google rating (4.9★ across 3,660+ reviews)
- Long-established (50+ years in business)
- NATE-certified technicians
- Emergency response: 24/7
- Financing available
- Maintenance plans available
- Indoor air quality services
- Mini-split system specialist
- Specializes in AC repair
- You need AC repair
- You need indoor air quality work
- You need AC system replacement
- You need same-day or after-hours service
- You want a top-rated provider with substantial review history (4.9★, 3,660+ reviews)
| Provider | Vouched | Years | BBB | Yelp | Our picks | |
|---|---|---|---|---|---|---|
Tonna Mechanical: Heating, A/C, Water Treatment, Plumbing & Duct Cleaning (this company) |
93/100 | 4.9★ (3,660+) | 50+ | — | — | Highest Vouched Score Heat Pumps Mini-Splits / Ductless |
| 87/100 | 4.8★ (4,305+) | 38+ | — | — | Best for Ductwork & Sealing | |
| 84/100 | 4.9★ (740+) | 13+ | — | — | Best for Furnace Repair Best for Rebates & Tax Credits Best for Upfront Pricing |
|
| 82/100 | 4.8★ (655+) | 103+ | — | — | Best for Smart Thermostat Install |
Company-wide signals
True across every category below.
Tonna Mechanical leads with deep AC repair and diagnostics expertise, per their site. The company lists NATE-certified technicians across service teams. Tonna advertises 24/7 emergency response for no-cooling calls. The business traces back to 1976, indicating long local tenure. Reviews report same-day cooling repairs and clear diagnostic explanations.
Choose them for AC Repair if
- You need AC tune-up & maintenance
- You need commercial AC repair
Tonna Mechanical lists furnace repair and diagnostics as a core specialty. Their website notes NATE-certified technicians on staff. The company advertises 24/7 emergency response for winter no-heat calls. Tonna Mechanical promotes a "Just Right" Comfort Club maintenance plan. Online reviews praise fast no-heat response and clear diagnostic explanations.
Choose them for Furnace Repair if
- You need furnace tune-up & maintenance
- You need no-heat / emergency furnace repair
- You need gas furnace & combustion repair
Ventilation work emphasizes ERV/HRV installs and ventilation-rate planning. NATE-certified technicians perform HVAC and IAQ installations. Founded in 1976, the company lists 50+ years in business. Rochester's cold winters and tightly sealed homes make ventilation upgrades more relevant. Reviews note same-day and emergency response availability for urgent IAQ issues.
Lists full central AC system replacement work with named installation crews. NATE-Certified technicians are stated on the company website. Tonna Mechanical traces operations to 1976, indicating 50+ years in business. Rochester's humid summers and deep winters shape their Carrier-focused inventory and service approach.
Choose them for AC Replacement if
- You need same-day AC replacement
Duct cleaning and sealing offerings are highlighted on Tonna Mechanical's site. The company lists NATE-certified technicians on staff. Founded in 1976, Tonna Mechanical notes over 50 years in business. Rochester's cold winters and tightly sealed homes increase indoor air concerns. Review excerpts praise punctuality and quick installations consistently.
Choose them for Duct Cleaning if
- You need duct sealing
Lists financing available for high-ticket HVAC projects, per their site. NATE-certified technicians are noted across cooling teams. Established in 1976, they show 50+ years local tenure. Rochester winters demand reliable heating and ductless backup solutions locally. Review excerpts note thorough diagnostics and proper zone verification on installs.
Tonna Mechanical lists furnace replacement and same-day gas-furnace changeouts as specialties. The company notes NATE-certified technicians on staff. Tonna Mechanical reports financing and 24/7 emergency response on its site. The firm traces operations back to 1976, tying work to Rochester winters. Customer reviews cite clear explanations and efficient installations.
Choose them for Furnace Replacement if
- You need same-day furnace replacement
- You prefer a family-owned operation
Same-day response is listed alongside 24/7 emergency support on their website. Tonna Mechanical states NATE-certified technicians. Founded in 1976, they report over 50 years serving Rochester homes. Local summers and occasional heat waves make quick AC response particularly important here.
Choose them for Emergency AC Repair if
- You need same-day AC repair
- You need after-hours AC repair
- You need commercial emergency AC repair
What customers say
Services
- AC Repair — Diagnostics and repair of central air conditioning systems — refrigerant leaks, capacitor and contactor failures, condenser fan motors, and thermostat issues.
- AC Replacement — Removal and replacement of an aging or failed central A/C — typically condenser, evaporator coil, and refrigerant lines.
- HVAC Installation — Full HVAC system installation including indoor and outdoor equipment, ductwork tie-in, and refrigerant work.
- Emergency HVAC Service — After-hours emergency response for no-cool and no-heat calls.
- Mini-Split Systems — Mini-split installation and service — typically ductless, used for additions or zoned comfort.
- Indoor Air Quality — Indoor air-quality work: high-MERV filtration, UV systems, humidifiers/dehumidifiers, and duct sanitization.
- Duct Work — Ductwork inspection, sealing, and replacement — addresses leakage, undersized runs, and uneven room temperatures.
Service area
Guarantees & credentials
- NATE-Certified
Sourced from the provider's own website. We surface these as published; we do not independently verify each license or warranty.
Contact & hours
Frequently asked questions
What are the pros of Tonna Mechanical: Heating, A/C, Water Treatment, Plumbing & Duct Cleaning?
When should I choose Tonna Mechanical: Heating, A/C, Water Treatment, Plumbing & Duct Cleaning?
What is the Vouched Score for Tonna Mechanical: Heating, A/C, Water Treatment, Plumbing & Duct Cleaning?
How long has Tonna Mechanical: Heating, A/C, Water Treatment, Plumbing & Duct Cleaning been in business?
How can I contact Tonna Mechanical: Heating, A/C, Water Treatment, Plumbing & Duct Cleaning?
What does HVAC service typically cost when working with a Rochester, MN provider like Tonna Mechanical: Heating, A/C, Water Treatment, Plumbing & Duct Cleaning?
What pricing terms does Tonna Mechanical: Heating, A/C, Water Treatment, Plumbing & Duct Cleaning publish on their website?
Does Tonna Mechanical: Heating, A/C, Water Treatment, Plumbing & Duct Cleaning do AC Repair in Rochester, MN?
Does Tonna Mechanical: Heating, A/C, Water Treatment, Plumbing & Duct Cleaning do AC Replacement in Rochester, MN?
Does Tonna Mechanical: Heating, A/C, Water Treatment, Plumbing & Duct Cleaning do HVAC Installation in Rochester, MN?
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Profile last updated July 27, 2026.