Eric Brown owns Central Minnesota Heating and Cooling, the heating and cooling company that has repaired and replaced furnaces, boilers, air conditioners and heat pumps in Minneapolis, Saint Paul and the towns within about 50 miles since 2009. The 138 guides on this site are published under his name.
How these guides are written and checked
- Our own prices come from the list we publish on the pricing page: a $79 trip charge waived with the repair, $129 tune-ups and written installed ranges.
- Every national cost figure names its source, and we never pass one off as our price or as a Minnesota price.
- Rules change, so the guides do too: when the federal 25C credit ended after 2025, and when the EPA changed the refrigerant rules, the affected pages were corrected.
- Safety comes first in every how-to: homeowner steps stop where a technician should take over, and a gas smell always means leave the house and call the utility.
- No invented reviews, customer stories or statistics. If something can't be checked, it isn't printed.
Found something out of date? Call 612-429-3465 and we'll fix the page. More about the company is on the About page.
Heating guides
- What Should I Set My Thermostat to in a Minnesota Winter?Updated September 28, 2026
- What Does the Blinking Light on My Furnace Mean?Updated September 28, 2026
- How Long Does a Furnace Replacement Take?Updated September 28, 2026
- What Is an Orphaned Water Heater, and Why Can a New Furnace Mean a Chimney Liner?Updated September 28, 2026
- Why Is My Thermostat Screen Blank, and Is the Furnace or AC Still Working?Updated September 28, 2026
- What Is a Manual J Load Calculation, and Why Should an HVAC Quote Include One?Updated September 28, 2026
- What Size Furnace Do I Need for a Minnesota House?Updated September 28, 2026
- What Does a Boiler Expansion Tank Do, and How Do You Know It's Failing?Updated September 27, 2026
- What Is a Communicating HVAC System, and Is It Worth It in Minnesota?Updated September 27, 2026
- What Is a Furnace Inducer Motor, and What Are the Signs It's Failing?Updated September 27, 2026
- What Does a Furnace Pressure Switch Do, and Why Does It Keep Tripping?Updated September 27, 2026
- What Does It Mean When a Furnace Is Red-Tagged?Updated September 27, 2026
- What Is Static Pressure in HVAC, and Why Does It Matter?Updated September 27, 2026
- Can a Furnace Leak Carbon Monoxide? How It Happens and What to DoUpdated September 26, 2026
- Why Is My Furnace Leaking Water? Find the Source, Then Fix ItUpdated September 26, 2026
- Furnace Noises: What Each Sound Means and When to Shut It OffUpdated September 26, 2026
- How Long Does a Furnace Last in Minnesota?Updated September 26, 2026
- Best Furnace Brands for Minnesota Winters (2026)Updated September 25, 2026
- Carrier vs Trane vs Lennox: Which to Buy in MinnesotaUpdated September 25, 2026
- Frozen Condensate Line on a High-Efficiency FurnaceUpdated September 25, 2026
- No Heat in a Minnesota Winter: What to Check Before You CallUpdated September 25, 2026
- Outdoor Wood Boiler vs Gas Furnace in Minnesota: The Real Trade-OffsUpdated September 25, 2026
- Oil to Natural Gas Conversion in Minnesota: Steps, Costs and GotchasUpdated September 25, 2026
- The Quietest Furnaces for Minnesota Homes, and Why the Ducts Matter as MuchUpdated September 25, 2026
- Gas Line Installation for a Furnace, Garage Heater or Range: Cost and SizingUpdated September 25, 2026
- Furnace Repair in Prescott, WI: What Local Homeowners Should KnowUpdated September 25, 2026
- Furnace Short Cycling: Time the Cycle, Then Find the CauseUpdated September 25, 2026
- Bryant Evolution vs Legacy Furnaces: What the Extra Money BuysUpdated September 25, 2026
- Cracked Heat Exchanger: Symptoms, How It's Confirmed and What to Ask ForUpdated September 25, 2026
- Boiler Banging, Kettling or Gurgling: What Each Noise MeansUpdated September 25, 2026
- Furnace Limit Switch Tripping? What It Does and What to Check FirstUpdated September 25, 2026
- Garage Heaters for a Minnesota Winter: Forced Air, Infrared, Electric or Mini-SplitUpdated September 25, 2026
- Lennox Furnaces Compared: Merit vs Elite vs Dave Lennox SignatureUpdated September 25, 2026
- Radiant Floor Heat vs Baseboard in Minnesota: Comfort, Water Temperature and CostUpdated September 25, 2026
- Furnace Burning Smell in a Minneapolis Home: What Each Smell MeansUpdated September 25, 2026
- Frozen Furnace Vent Pipe? How to Clear It Safely in a Minnesota WinterUpdated September 25, 2026
- Propane Heating Costs for Rural Homes Around the Twin Cities: How to Figure Yours and Cut ThemUpdated September 25, 2026
- Trane or Carrier Furnace? A Minnesota Buying Guide for Your ReplacementUpdated September 25, 2026
- Boiler vs Furnace: Which Fits Your Saint Paul Home?Updated September 25, 2026
- Furnace Blowing Cold Air: What to Check, in OrderUpdated September 25, 2026
- 96% vs 98% AFUE Furnace: Is the Upgrade Worth It in Minnesota?Updated September 25, 2026
- Furnace Won't Ignite: Find Where the Startup StopsUpdated September 25, 2026
Cooling guides
- Why Is the Fan on My Outdoor AC Unit Not Spinning?Updated September 28, 2026
- How Long Does a Central Air Conditioner Last in Minnesota?Updated September 28, 2026
- Why Is My AC Freezing Up? Ice on the Lines or the Indoor CoilUpdated September 28, 2026
- R-454B and R-32: What the Refrigerant Change Means for Your ACUpdated September 27, 2026
- SEER2 vs SEER: What the New AC Rating MeansUpdated September 27, 2026
- AC Leaking Water Inside the House: Causes and What to DoUpdated September 26, 2026
- Does the Furnace Need to Be On for AC to Work?Updated September 26, 2026
- Best Central AC Brands for Minnesota (2026)Updated September 25, 2026
- Carrier Performance vs Comfort Air Conditioners: What DiffersUpdated September 25, 2026
- AC Installation in River Falls, WI: What to Know Before You ReplaceUpdated September 25, 2026
- High-Velocity AC for Older Minnesota Homes: Pros and ConsUpdated September 25, 2026
- Clogged AC Condensate Drain: How to Find It and Clear ItUpdated September 25, 2026
- R-22 Air Conditioner in Minnesota: Repair, Recharge or ReplaceUpdated September 25, 2026
- AC Humming Noise: What the Sound Means and What to DoUpdated September 25, 2026
- Why Your AC Smells Like Dirty Socks, and How It Gets FixedUpdated September 25, 2026
- How Many Tons of AC Does a Minneapolis House Need?Updated September 25, 2026
- Signs Your AC Evaporator Coil Is LeakingUpdated September 25, 2026
- Rheem vs Goodman Air Conditioners: What Actually DiffersUpdated September 25, 2026
- 2-Stage vs Variable-Speed AC: Which Fits a Minnesota HomeUpdated September 25, 2026
- AC Not Turning On? What to Check First in a Minneapolis HomeUpdated September 25, 2026
- AC Running but Not Cooling? What to Check, in OrderUpdated September 25, 2026
- Ductless Mini-Split vs Central AC: Which Fits Your House?Updated September 25, 2026
- How to Size Central AC for a Twin Cities HomeUpdated September 25, 2026
Heat Pumps guides
- Why Is My Heat Pump Blowing Cold Air in Winter?Updated September 28, 2026
- Is It Normal for a Heat Pump to Run Constantly in Winter?Updated September 28, 2026
- Aux Heat vs Emergency Heat on a Heat Pump ThermostatUpdated September 27, 2026
- HSPF2 and COP: Heat Pump Ratings That Matter in a Minnesota WinterUpdated September 27, 2026
- Heat Pump vs Gas Furnace in Minnesota: Cost, Cold and Dual FuelUpdated September 26, 2026
- Switching From Propane to a Heat Pump in Rural MinnesotaUpdated September 25, 2026
- Heat Pump Defrost Cycle: What's Normal in a Minnesota WinterUpdated September 25, 2026
- Electric Furnace vs Heat Pump in MinnesotaUpdated September 25, 2026
- Daikin vs Mitsubishi Mini-Splits: A Room-by-Room GuideUpdated September 25, 2026
- Wall-Mounted vs Floor-Mounted Mini-Splits in MinnesotaUpdated September 25, 2026
- Multi-Zone Mini-Split Layouts for Minnesota HomesUpdated September 25, 2026
- Heat Pump vs Electric Baseboard Heat in MinnesotaUpdated September 25, 2026
- Mitsubishi Hyper-Heat vs Standard Mitsubishi Heat PumpsUpdated September 25, 2026
- Heat Pump Water Heaters in Minnesota BasementsUpdated September 25, 2026
- Do Heat Pumps Work at 20 Below Zero?Updated September 25, 2026
- 8 Heat Pump Buying Mistakes Minnesota Homeowners MakeUpdated September 25, 2026
- Dual-Fuel Heating in Minnesota: Heat Pump Plus FurnaceUpdated September 25, 2026
- Daikin FIT Heat Pump Review for Minnesota HomesUpdated September 25, 2026
- Do Heat Pumps Work in Minnesota Winters?Updated September 25, 2026
Air Quality guides
- What Is Make-Up Air, and When Does a Minnesota Range Hood Need It?Updated September 27, 2026
- Does Central AC Bring In Outside Air?Updated September 26, 2026
- Integrated HVAC Smoke Detection: How Duct Detectors and Fan Shutdown WorkUpdated September 25, 2026
- Lennox PureAir vs Other IAQ Systems: What It Does and Who It FitsUpdated September 25, 2026
- Why Is My Furnace Filter Turning Black?Updated September 25, 2026
- Leaky Ductwork in Minnesota Homes: Symptoms and What Sealing FixesUpdated September 25, 2026
- Best MERV Rating for Allergies in a Minnesota HomeUpdated September 25, 2026
- Where to Put Carbon Monoxide Alarms in a Minnesota HomeUpdated September 25, 2026
- Whole-House Dehumidifiers in Minnesota: When the AC Isn't EnoughUpdated September 25, 2026
- UV Lights for HVAC: Pros, Cons and When They're Worth It in MinnesotaUpdated September 25, 2026
- Is Duct Cleaning Worth It? What Minnesota Homeowners Should KnowUpdated September 25, 2026
- Aprilaire 5000 vs 2000 Series: Electronic or Media Air Purifier?Updated September 25, 2026
- ERV vs HRV in Minnesota: Which Ventilator Fits Your House?Updated September 25, 2026
- Whole-Home Humidifiers for Minnesota Winters: Bypass, Fan-Powered or SteamUpdated September 25, 2026
- Indoor Air Quality in a Minnesota Winter: What Actually HelpsUpdated September 25, 2026
Maintenance guides
- How Often Should You Change Your Furnace Filter in Minnesota?Updated September 28, 2026
- Can You Run a Furnace Without a Filter? What Happens and What to DoUpdated September 26, 2026
- Turning the Furnace On for the First Time This FallUpdated September 25, 2026
- Best Place for a Thermostat, and the Spots That Read WrongUpdated September 25, 2026
- How to Clean Your Outdoor AC Coil Without Damaging ItUpdated September 25, 2026
- What a Furnace Inspection Covers, and Why Each Check MattersUpdated September 25, 2026
- HVAC Zoning in Minnesota Homes: When It Works and When It Doesn'tUpdated September 25, 2026
- How to Clean a Furnace Flame Sensor SafelyUpdated September 25, 2026
- Thermostat C-Wire: What It Does and How to Add OneUpdated September 25, 2026
- Spring AC Tune-Up Checklist for Minnesota HomesUpdated September 25, 2026
- Should You Cover Your AC Unit in a Minnesota Winter?Updated September 25, 2026
- Honeywell Home vs Sensi Thermostats: Which Fits Your SystemUpdated September 25, 2026
- Smart Thermostats for Minnesota Weather: What Matters HereUpdated September 25, 2026
- Why One Room Is Always Hotter or Colder, and How to Fix ItUpdated September 25, 2026
- HVAC Maintenance for Hudson, WI Homes: A Season-by-Season GuideUpdated September 25, 2026
- Fall Furnace Checklist: What You Can Do Yourself Before WinterUpdated September 25, 2026
Pricing guides
- Boiler Replacement Cost in Minnesota (2026)Updated September 26, 2026
- Furnace and AC Replacement Cost in Minnesota: Together or Separately?Updated September 26, 2026
- AC Replacement Cost in Minnesota (2026)Updated September 25, 2026
- Furnace Repair Cost in Minnesota (2026)Updated September 25, 2026
- Heat Pump Installation Cost in Minnesota (2026)Updated September 25, 2026
- How to Choose an HVAC Contractor in MinneapolisUpdated September 25, 2026
- HVAC Permits in Minneapolis and Saint Paul: A Homeowner's GuideUpdated September 25, 2026
- High-Efficiency AC in Minnesota: Cost vs. SavingsUpdated September 25, 2026
- Tankless vs Tank Water Heater in Minnesota: Costs and Trade-OffsUpdated September 25, 2026
- Carrier Infinity Heat Pump Cost in MinnesotaUpdated September 25, 2026
- Central AC vs Ductless: Which Costs Less to Install?Updated September 25, 2026
- AC Refrigerant Recharge Cost in Minnesota (R-410A and R-22)Updated September 25, 2026
- Geothermal Heat Pump Cost in MinnesotaUpdated September 25, 2026
- Furnace Blower Motor Replacement Cost: PSC vs ECMUpdated September 25, 2026
- AC Capacitor Replacement Cost in MinnesotaUpdated September 25, 2026
- Mitsubishi Mini-Split Cost in Hudson, WIUpdated September 25, 2026
- Furnace Replacement Cost in Minnesota (2026)Updated September 25, 2026
Rebates guides
- Minnesota Heat Pump Rebates in 2026: What's Available NowUpdated September 25, 2026
- Dakota County HVAC Rebates and Programs: Where to StartUpdated September 25, 2026
- The IRA HVAC Tax Credits Ended: What Minnesota Homeowners Can Still GetUpdated September 25, 2026
- Xcel Energy AC Rewards: Is It Worth Enrolling?Updated September 25, 2026
- CenterPoint Energy Furnace Rebates: How the 2026 Program WorksUpdated September 25, 2026
- Xcel Energy and CenterPoint HVAC Rebates in 2026: Which Utility Covers WhatUpdated September 25, 2026