Buy a High Efficiency Furnace & get an AC for FREE
Terms and Conditions Apply
Click for full details Expires 4/15/2026
Overstock Inventory Sale
Save Big on a New System!
We managed to snag 52 brand-new, high-efficiency systems at ridiculously low off-season prices. That means you can get an air conditioner for $2,195 when you pair it with a qualifying high-efficiency furnace. We’re also throwing in a FREE surge protector
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Save $100 on Any Honeywell WiFi Thermostat Installation
Apply Technology to Your System for Cutting Edge Comfort
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$1,900 Off Mini Split Ductless Systems
Big Savings for Ultimate Efficiency!
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Northern Hero Club
One Total Protection Maintenance Plan for Your Home from Northern Exclusively for Military and First Responders
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Northern Home Protection Plan for Just $19.95/Mo
One Total Protection Maintenance Plan for Your Home!
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$200 Off Whole Home Duct Cleaning
Reduce Allergens, Dander, and Dust
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$65 Off Any Cooling or Heating System Repair
Take Advantage of Savings
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$49 Essential Furnace or AC Tune-Up
Don't Risk a Summer Heatwave Breakdown!
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15% OFF FOR MILITARY & 1ST RESPONDERS
Thank you for your Service!
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20% Senior Discount On Wednesdays ($500 Max)
Senior Appreciation Savings!
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FREE Second Opinion
Let Our Experts Take a Look. Won't Cost a Thing!
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Save $375 on New Humidifier
Temperature Plus Ideal Humidification for Total Comfort
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FREE Service Call With Repair
Free Service Call with Purchased Repair
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