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CONTACT | CAREERS | (608) 849-5410
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    • Heat Pump Installation & Repair
    • Gas Furnace
    • Garage Heaters
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  • Cooling
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      • AC Installation
    • Mini-Split Units
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  • Service Area
    • Columbia County
      • Arlington, Wisconsin
      • Lodi, Wisconsin
      • Poynette, Wisconsin
    • Dane County North
      • Black Earth, Wisconsin
      • Cottage Grove, Wisconsin
      • Cross Plains, Wisconsin
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      • Deerfield, Wisconsin
      • DeForest, Wisconsin
      • Madison, Wisconsin
      • Maple Bluff, Wisconsin
      • Marshall, Wisconsin
      • Mazomanie, Wisconsin
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      • Monona, Wisconsin
      • Shorewood Hills, Wisconsin
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      • Waunakee, Wisconsin
    • Dane County South
      • Fitchburg, Wisconsin
      • McFarland, Wisconsin
      • Mount Horeb, Wisconsin
      • Oregon, Wisconsin
      • Stoughton, Wisconsin
      • Verona, Wisconsin
  • About
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Providing Residential Heating and Cooling (HVAC) Services Providing Residential Heating and Cooling (HVAC) Services Providing Residential Heating and Cooling (HVAC) Services Providing Residential Heating and Cooling (HVAC) Services
  • Heating
    • Heat Pump Installation & Repair
    • Gas Furnace
    • Garage Heaters
    • Boilers
    • Geothermal
    • Mini-Split Units
  • Cooling
    • Air Conditioner
      • AC Installation
    • Mini-Split Units
  • Indoor Air Quality
    • Air Filtration
    • Air Purification
    • Humidifiers
    • Dehumidifiers
    • Controls & Thermostats
  • Other Services
  • Service Area
    • Columbia County
      • Arlington, Wisconsin
      • Lodi, Wisconsin
      • Poynette, Wisconsin
    • Dane County North
      • Black Earth, Wisconsin
      • Cottage Grove, Wisconsin
      • Cross Plains, Wisconsin
      • Dane, Wisconsin
      • Deerfield, Wisconsin
      • DeForest, Wisconsin
      • Madison, Wisconsin
      • Maple Bluff, Wisconsin
      • Marshall, Wisconsin
      • Mazomanie, Wisconsin
      • Middleton, Wisconsin
      • Monona, Wisconsin
      • Shorewood Hills, Wisconsin
      • Sun Prairie, Wisconsin
      • Waunakee, Wisconsin
    • Dane County South
      • Fitchburg, Wisconsin
      • McFarland, Wisconsin
      • Mount Horeb, Wisconsin
      • Oregon, Wisconsin
      • Stoughton, Wisconsin
      • Verona, Wisconsin
  • About
    • About Pharo
    • FAQs
    • Energy Efficiency
    • Blog
    • Newsletters
    • Glossary
    • Careers

Blog

Home » Blog
 Signs Your Boiler Is Losing Efficiency Before It Breaks Down
0
By Flamingo Theory SEO Team SP
In Blog, General
Posted July 17, 2026

Signs Your Boiler Is Losing Efficiency Before It Breaks Down

Most boilers do not fail out of nowhere. Long before a system finally gives out on the coldest night of the year, it usually leaves a trail of clues: a gas bill that keeps creeping up, a room [...]

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 Is Radiant Heat a Smart Option for Older Homes?
0
By Flamingo Theory SEO Team SP
In Blog, General
Posted July 10, 2026

Is Radiant Heat a Smart Option for Older Homes?

Winter mornings in an older Madison home have a certain personality. The furnace kicks on, the floors stay stubbornly cool anyway, and by the time coffee is ready you’ve usually pulled on a [...]

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 How Do Boilers Perform During Wisconsin’s Coldest Winters?
0
By Flamingo Theory SEO Team SP
In Blog, General
Posted June 17, 2026

How Do Boilers Perform During Wisconsin’s Coldest Winters?

When temperatures in Madison drop into the single digits, and the wind off the frozen lakes makes it feel colder still, your heating system stops being a background convenience and becomes [...]

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 What Size Furnace Does My Home Need? A Wisconsin Homeowner’s Guide
0
By Flamingo Theory SEO Team SP
In Blog, General
Posted June 10, 2026

What Size Furnace Does My Home Need? A Wisconsin Homeowner’s Guide

There’s a question that comes up almost every time someone starts thinking about replacing their furnace: how big does it actually need to be? It sounds like it should have a simple answer. [...]

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 When Is the Best Time of Year to Replace a Furnace in Madison?
0
By Flamingo Theory SEO Team SP
In Blog
Posted May 18, 2026

When Is the Best Time of Year to Replace a Furnace in Madison?

The U.S. Department of Energy identifies high-efficiency furnaces, those rated 90% AFUE and above, as one of the most cost-effective heating upgrades available to homeowners. For Madison [...]

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 Are High-Efficiency Furnaces Worth It in Cold Climates Like Wisconsin?
0
By Flamingo Theory SEO Team SP
In Blog, General
Posted May 18, 2026

Are High-Efficiency Furnaces Worth It in Cold Climates Like Wisconsin?

Madison winters do not go easy on heating equipment. Dane County temperatures regularly hit single digits and below, and the furnaces that keep homes livable run hard from December through [...]

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 Furnace vs Boiler: Which Heating System Is Better for Wisconsin Homes?
0
By Flamingo Theory SEO Team SP
In Blog, Home Care
Posted April 18, 2026

Furnace vs Boiler: Which Heating System Is Better for Wisconsin Homes?

According to the U.S. Energy Information Administration, roughly 70% of Midwest households rely on natural gas for space heating, the highest share of any U.S. census region. U.S. Energy [...]

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 How Long Does a Furnace Really Last in Wisconsin?
0
By Flamingo Theory SEO Team SP
In Blog, Home Care
Posted April 18, 2026

How Long Does a Furnace Really Last in Wisconsin?

According to the U.S. Department of Energy, the average gas furnace lasts between 15 and 20 years. In Wisconsin, that number tells only part of the story. Heating seasons run from October through [...]

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 Energy Efficiency Upgrades That Make the Biggest Difference in Wisconsin Homes
0
By Flamingo Theory SEO Team SP
In Blog, Focus on Energy
Posted March 18, 2026

Energy Efficiency Upgrades That Make the Biggest Difference in Wisconsin Homes

Few household expenses climb faster than heating a Wisconsin home from November through March. According to the U.S. Department of Energy’s Energy Saver 101 resource, space heating accounts [...]

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 When to Consider a Ductless Mini-Split System for Your Home
0
By Flamingo Theory SEO Team SP
In Blog
Posted March 18, 2026

When to Consider a Ductless Mini-Split System for Your Home

According to the U.S. Department of Energy, ductless mini-split systems can eliminate the energy losses tied to ductwork, which account for more than 30 percent of a home’s energy [...]

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Pharo Heating and Cooling
LOCATION

PHARO HEATING COMPANY
5341 W. River Rd.
Waunakee, WI 53597

Waunakee: (608) 849-5410
Madison: (608) 233-1001
Fax: (608) 849-8855

After Hours Emergency Service:
(608) 250-2145

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WAUNAKEE LOCATION

5341 W River Rd
Waunakee, WI 53597

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