The Best HVAC in Grafton, WI

Compare the highest-rated hvac professionals in Grafton, Wisconsin. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Grafton Climate Control Experts

4.8
(142 reviews)
Verified

A premier full-service HVAC contractor specializing in high-efficiency heating and cooling systems for Grafton's extreme seasonal climate. They offer comprehensive installation, maintenance, and repair services with a strong focus on energy-efficient solutions and smart home integration.

1250 Wisconsin Avenue, Grafton, WI 53024

Specialties & Features

Energy Efficiency Upgrades
24/7 Emergency Service
Geothermal Systems
High-Efficiency Furnaces
Smart Thermostat Integration

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#2

Ozaukee Heating & Cooling

4.6
(118 reviews)
Verified

Family-owned and operated HVAC specialist serving Grafton and Ozaukee County since 1992. Known for exceptional furnace repair and installation services, particularly for older homes in the area. They provide thorough maintenance plans tailored to Wisconsin's harsh winters and humid summers.

808 Falls Road, Grafton, WI 53024

Specialties & Features

Furnace Installation & Repair
Ductwork Services
Boiler Systems
24/7 Emergency Service
Historical Home HVAC

Business Information

Years in Business:32 years
Licensed:Yes
Insured:Yes
#3

Lakeside HVAC Solutions

4.5
(96 reviews)
Verified

Modern HVAC contractor specializing in energy-efficient cooling solutions and air quality systems for Grafton homes and businesses. They excel at AC installation and maintenance, with expertise in handling the high humidity levels common near Lake Michigan during summer months.

2211 Washington Street, Grafton, WI 53024

Specialties & Features

Air Conditioning Services
Indoor Air Quality
Heat Pump Systems
Ductless Mini-Splits
Humidity Control

Business Information

Years in Business:14 years
Licensed:Yes
Insured:Yes

Why These Are the Top HVAC Contractors in Grafton

Grafton's HVAC market is characterized by high demand for both extreme cold weather heating solutions (furnaces, boilers) and summer cooling systems to handle humid conditions from Lake Michigan proximity. The continental climate with average winter lows of 12°F and summer highs of 82°F creates year-round service needs. Energy efficiency is particularly valued due to significant seasonal temperature swings. Most established providers offer 24/7 emergency service, especially during winter months when furnace failures can be dangerous.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Grafton regulations and climate

Frequently Asked Questions About HVAC in Grafton

Get answers to common questions about hvac services in Grafton, Wisconsin.

1What is the typical cost range for replacing a furnace or air conditioner in Grafton, and what factors influence the price?

In Grafton, a full furnace replacement typically ranges from $4,500 to $8,500+, while a central air conditioner replacement ranges from $5,000 to $9,000+. Key factors include the system's efficiency (SEER2 for AC, AFUE for furnace), the complexity of your home's ductwork, and the unit's brand and capacity. Given Wisconsin's cold winters, investing in a high-efficiency furnace (90%+ AFUE) can offer significant long-term savings on heating bills, though it has a higher upfront cost.

2When is the best time of year to schedule HVAC maintenance or replacement in Grafton to avoid delays and high demand?

The ideal times are during the "shoulder seasons"—late spring (April-May) for AC service and early fall (September-October) for furnace service. This avoids the peak summer AC breakdowns and the winter emergency furnace calls that overwhelm local HVAC companies. Scheduling your annual tune-up during these windows ensures prompt service and helps identify problems before they fail during extreme Grafton weather.

3Are there any local Grafton or Wisconsin regulations or rebates I should know about when installing a new HVAC system?

Yes, always verify your contractor pulls the required Village of Grafton mechanical permit for new installations. More importantly, check for available rebates: Focus on Energy, Wisconsin's statewide energy program, often offers cash-back rewards for installing high-efficiency HVAC equipment. Additionally, We Energies, the local utility, frequently provides its own rebates for qualifying furnaces, air conditioners, and heat pumps, reducing your net cost.

4How do I choose a reliable HVAC contractor in the Grafton area, and what questions should I ask?

Look for local, established companies with strong community reputations, proper Wisconsin licensing, and proof of liability insurance. Always ask for local references in Grafton or Ozaukee County. Key questions include: "Are your technicians NATE-certified?", "Do you provide a detailed, written estimate?", and "What is your warranty on both parts and labor?" A trustworthy contractor will also perform a Manual J load calculation to correctly size equipment for your specific home.

5My furnace seems to run constantly during cold snaps. Is this normal for Grafton winters, or a sign of a problem?

During extreme cold spells common in Wisconsin, where temperatures can stay below zero for days, it is normal for your furnace to have longer run cycles to maintain set temperature. However, if it's running non-stop without reaching the thermostat setting, it indicates a problem. Common local issues include a dirty filter, a failing component, or an undersized unit. Have a professional inspect it, as continuous strain during deep winter can lead to a complete failure.