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Furnace Carbon Monoxide Safety: What Every Homeowner Must Know
Furnace Carbon Monoxide Safety: What Every Homeowner Must Know Carbon monoxide (CO) is called the "silent killer" for a reason — it's colorless, odorless, and tasteless. Every year, more than 400 Americans die from unintentional CO poisoning, and thousands more are hospitalized. Your furnace is the single largest potential source of carbon monoxide in your Minnesota home. Understanding the risks, warning signs, and prevention measures isn't optional — it's essential. How Furnaces Produce Carbon Monoxide Every gas furnace produces carbon monoxide as a normal byproduct of burning natural gas or... Read more...
How to Read a Furnace Model Number: What Every Code Means
How to Read a Furnace Model Number: What Every Code Means Your furnace model number is like a DNA sequence — it tells you everything about the unit in a single string of letters and numbers. Knowing how to decode it helps you order the right replacement parts, verify your furnace specs, and make informed decisions when it's time to upgrade. Here's how to crack the code on every major furnace brand sold in Minnesota. Where to Find Your Model Number The model number is printed on a rating plate... Read more...
Furnace Not Turning On? Complete Troubleshooting Guide for Minnesota Homeowners
Furnace Not Turning On? Complete Troubleshooting Guide for Minnesota Homeowners It's 6 AM in January. Your Minnesota home feels cold. You check the thermostat — it's reading 58°F instead of the 70°F you set. The furnace isn't running. Before you panic and call an emergency HVAC service at $200+ per hour, there are several things you can check yourself. Many furnace problems have simple solutions that don't require a technician. This guide walks through the most common reasons a furnace won't turn on, from the simplest fixes to issues that... Read more...
Goodman GMVC96 Review: The Workhorse of Minnesota HVAC
Goodman GMVC96 Review: The Workhorse of Minnesota HVAC The Goodman GMVC96 is one of the most popular two-stage furnaces sold in Minnesota — and for good reason. It combines 96% AFUE efficiency with a two-stage gas valve and variable-speed ECM blower motor at a price point that undercuts competitors by hundreds of dollars. At Furnace Direct, it's our best-selling furnace model, and we've delivered hundreds of them to Twin Cities metro homeowners. Here's our honest, detailed review. GMVC96 Specs at a Glance Specification GMVC96 AFUE Rating 96% Heating Stages Two-stage... Read more...
Furnace Flame Rollout: Causes, Dangers & How to Fix It
Furnace Flame Rollout: Causes, Dangers & How to Fix It Flame rollout is one of the most dangerous furnace problems a Minnesota homeowner can face. When flames escape the combustion chamber and "roll out" toward the front of the furnace, it creates an immediate fire hazard and signals that something is seriously wrong with your heating system. Understanding what causes flame rollout — and how your furnace protects you from it — could save your home and your family. What Is Flame Rollout? In normal operation, flames from your furnace... Read more...
Furnace Ductwork Sizing Guide: How Wrong Ducts Ruin Efficiency
Furnace Ductwork Sizing Guide: How Wrong Ducts Ruin Efficiency You can install the most efficient furnace on the market, but if your ductwork is undersized, oversized, or poorly designed, you're throwing money away every winter. In Minnesota, where furnaces run 5-6 months straight, ductwork problems can add hundreds of dollars to your annual heating bill — and make your home uncomfortable despite having a perfectly good furnace. Furnace Direct sells Goodman furnaces at factory-direct pricing, but we always tell our customers: the furnace is only half the equation. Your duct... Read more...
Furnace Gas Valve Problems: Symptoms, Testing & When to Replace
Furnace Gas Valve Problems: Symptoms, Testing & When to Replace Your furnace gas valve is one of the most critical safety components in your heating system. When it fails, your furnace either won't ignite at all or — worse — could create a dangerous situation. Minnesota homeowners dealing with -20°F nights can't afford to guess when their gas valve is acting up. At Furnace Direct, we've seen hundreds of gas valve issues across Goodman, Lennox, Carrier, and other brands. Here's everything you need to know about diagnosing gas valve problems,... Read more...
Furnace Blower Capacitor Failure: Signs, Diagnosis & Replacement
Furnace Blower Capacitor Failure: Signs, Diagnosis, and Replacement Your furnace's blower motor won't start without its capacitor. This small, inexpensive component is one of the most common failure points in residential furnaces — and one of the easiest and cheapest repairs. If your furnace fires up but the blower doesn't spin (or spins weakly), a bad capacitor is the most likely culprit. At Furnace Direct, we sell Goodman furnaces at factory-direct pricing. Here's everything you need to know about blower capacitors. Furnace Direct · Factory-Direct Pricing Why pay a contractor's... Read more...
Indoor Air Quality Guide for Minnesota Homes: What Your HVAC System Can Do
Indoor Air Quality Guide for Minnesota Homes: What Your HVAC System Can Do Minnesota homes are sealed up tight for 6+ months of the year. Great for keeping heat in — terrible for indoor air quality. When your house is buttoned up from October through April, pollutants, allergens, humidity issues, and stale air have nowhere to go. Your HVAC system plays a central role in managing indoor air quality, and understanding your options can make a real difference in your family's health and comfort. At Furnace Direct, we sell Goodman... Read more...
Furnace High Limit Switch Keeps Tripping: Causes and Fixes
Furnace High Limit Switch Keeps Tripping: Causes and Fixes If your furnace keeps shutting off before your home reaches the set temperature, then starts back up a few minutes later only to shut off again, the high limit switch is likely tripping. This safety device prevents your furnace from overheating — and when it trips repeatedly, it's telling you something is wrong. Ignoring it can lead to a cracked heat exchanger, which is a $1,500–$3,000 repair or a full replacement. At Furnace Direct, we sell Goodman furnaces at factory-direct pricing.... Read more...
Goodman vs. Ducane Furnace: An Honest 2026 Comparison
Goodman vs. Ducane Furnace: An Honest 2026 Comparison Ducane is a lesser-known furnace brand that some Minnesota homeowners encounter when shopping for a new heating system. If a contractor has quoted you a Ducane furnace and you're wondering how it compares to Goodman, here's a straightforward comparison. At Furnace Direct, we sell Goodman furnaces at factory-direct pricing. Here's what you should know about both brands. Furnace Direct · Factory-Direct Pricing Why pay a contractor's markup? Buy the same name-brand furnace the pros install — shipped factory-direct to your door. No... Read more...
Radiant Floor Heating vs. Forced Air: Which Is Better for Minnesota?
Radiant Floor Heating vs. Forced Air: Which Is Better for Minnesota? Radiant floor heating has a devoted following — and for good reason. Warm floors on a -20°F Minnesota morning sound incredible. But is radiant heat actually practical for Minnesota's extreme climate, or is a forced-air furnace still the smarter choice? Here's an honest comparison from both the comfort and financial perspectives. At Furnace Direct, we sell forced-air Goodman furnaces at factory-direct pricing. But we're not here to dismiss radiant heat — we're here to give you the facts so... Read more...