Hartland’s no stranger to Wisconsin’s varied climate. With wintertime lows regularly dipping below freezing at 15.8°F and summer highs pushing into the 80s, reliable heating and cooling solutions are essential for year-round comfort.
Whether your home is near the Bark River or closer to Nixon Park, Pat’s Heating & Air Conditioning has your back. We’ve spent over 36 years serving Southeastern Wisconsin, so we know how to ensure local residents stay cozy in the winter and cool in the summer.
Why Choose Pat’s Heating & Air Conditioning?
See why so many people throughout Hartland trust us with their HVAC needs:
- Rapid Response: From River Meadow to Hartridge West, we’ll arrive anywhere you need us in Hartland to fix or install your system.
- Leading Expertise: We bring decades of hands-on know-how to every job.
- 24-Hour Care: Day or night, our pros are ready to take on emergencies.
- Customer Satisfaction Guarantee: We won’t leave until you are happy with our service.
- Flexible Payment Options: Our budget-friendly plans make it easier to invest in a dependable heating or cooling solution.
Hartland Air Conditioning Installation, Repair & Maintenance
Hartland’s summers aren’t the hottest in Wisconsin, but it can still get pretty muggy and warm – even with the Bark River and nearby Pewaukee Lake giving us a breeze. That’s why Pat’s Air Conditioning Installation services ensure your home stays pleasant when the temperature rises.
Whether you’re near the busy Cottonwood Avenue or tucked away in a quieter area like Walnut Ridge Drive, our 24/7 repair and maintenance team is on-call to handle any issues that crop up and keep your AC performing optimally all season.
Professional Ductless HVAC Services in Hartland
Traditional ductwork isn’t the only way to maintain comfortable indoor temperatures. Our Ductless HVAC Installations are perfect for smaller homes near Cardinal Lane or older properties that lack extensive duct systems.
Thanks to flexible wall-mounted units, you can control heating and cooling on a room-by-room basis – ideal for cutting down energy bills and avoiding that “one room is too hot, another is too cold” dilemma.
Straightforward VRF Systems
Loads of homeowners across Hartland, from Mill Place to Four Winds, are choosing Variable Refrigerant Flow (VRF) systems. These compact yet powerful units can seamlessly switch between heating and cooling modes, which makes them ideal for handling Wisconsin’s swift temperature shifts.
When you trust Pat’s with your VRF System Installation, we’ll tailor the setup to your property’s layout, ensuring every square foot benefits from steady comfort.
Hartland’s Specialist Heating Solutions
When temperatures dive below freezing and the Bark River becomes partially iced over, you need a dependable heating system. Pat’s offers a wide range of Heating Services – everything from urgent furnace repairs to comprehensive upgrades.
24/7 Heating Repairs
From stubborn boilers in older buildings near Lake County Industrial Park to furnace hiccups in new developments, our factory-trained team is equipped to tackle your heating troubles. We’re available around the clock and committed to transparent service so you can get back to comfortable living or work quickly.
Boiler & Radiant Heating Installation & Maintenance
Looking to modernize your system or simply keep it in tip-top shape? Our Boiler and Radiant Heating Services include new installations tailored to your home’s layout. We also perform thorough maintenance to ward off breakdowns and help your boiler run efficiently – an absolute must during frigid Midwest winters.
Comprehensive Heat Pump Services
A heat pump is a game-changer for cost-effective comfort in Hartland. Not only does it regulate temperature year-round – perfect for those frosty mornings near Penbrook Park – but it also helps combat the region’s humidity, which can be pretty high throughout summer in Hartland.
When you choose Pat’s Heat Pump Services, we’ll:
- Evaluate Your Home’s Specific Needs
- Recommend a Suitable Model
- Install It to Deliver Energy Savings and Reliable Warmth
Top-Tier Hybrid Heating
Sometimes you need the best of both worlds. Our Hybrid Heating Service combines a heat pump with a traditional furnace, which adjusts itself based on outdoor conditions! It’s a smart way to ensure your home stays warm without racking up sky-high energy bills during winter.
Advanced Air Purification in Hartland
Indoor air quality affects your health just as much as temperature does – maybe more. Our Air Purification Solutions address hidden particles like the following:
- Dust
- Pollen
- Bacteria
- Other Contaminants
Plus, we offer humidifiers and dehumidifiers to keep moisture levels balanced during dry winters and muggy summers, helping you breathe easy whether you’re near the center of Hartland or on the outskirts of town towards Merton.
Seamless Temperature Control in Hartland
Don’t settle for outdated thermostats and uneven heat. Let Pat’s equip you with a smart, Wi-Fi–connected device that adapts to your schedule.
Our zoning control installations also allow you to fine-tune temperatures in different areas of the house – so everyone in your family can stay comfortable, day or night.
Comprehensive Commercial Services
Hartland isn’t just about residences – it’s home to numerous local businesses, too. From restaurants off North Avenue to the businesses in Lake County Industrial Park, our Commercial HVAC Services cater to your company’s specific needs!
We’ll keep your establishment running smoothly, making sure employees and customers stay satisfied and comfortable.
Leading Electrical Solutions in Hartland
Pat’s isn’t just an HVAC provider. Our Electrical Services include:
- Circuit Breaker Installation
- Electrical Panel Upgrades
- EV Chargers
- Fans & Fixtures
- Smoke and Carbon Monoxide Detectors
- Generator Services
Contact Pat’s Team Today!
From heating emergencies in the heart of downtown Hartland to new AC installations along Highway 16, we’re only a call or click away!
Reach us at 262-208-5829 or complete our online form, and our friendly staff will be in touch to help you find the perfect solution. Trust Pat’s to keep your Hartland home or business comfortable every season!
Recent Jobs and Reviews in Hartland, WI
Job Locations and Reviews
Successfully installed Lennox SLP99 135K BTU high-efficiency furnace in crawl space with new zoning system and wireless thermostats. Reused existing media filter and return, while replacing the cellular core PVC back venting (3" diameter, 22 ft). System was fully tested and verified operational with proper electrical connections completed by on-site electrician.

Replaced failed inducer motor in workout room HVAC system. Verified proper thermostat wiring connections at the Honeywell control panel during diagnosis. System now operating within normal parameters.
Successfully replaced collector box and associated pressure switches in the HVAC system. Conducted thorough inspection of electrical connections and control wiring to ensure proper functionality. System now operating within normal parameters after completion of repair.

Performed annual furnace maintenance under CCC Quality Plan. Identified high temperature rise issue requiring adjustment; corrected through gas pressure and blower adjustment. Installed new 16x25x1 filter and completed comprehensive tune-up to restore optimal system performance.
Completed full system installation including SLP99 90K furnace, ML13KC1 3.5-ton condensing unit, 48C-71 cased coil, and S40 thermostat. Installed new 25-foot lineset, reused existing AC brackets and media filter. Executed back-venting with 32 feet of 2" PVC including five 90° elbows. Verified proper system leveling and confirmed thermostat functionality with temperature set to 70°.

Diagnosed and resolved no-heat condition affecting dual furnace system by removing ice blockage from PVC intake/exhaust pipes. Verified proper system operation following service.
Responded to follow-up call regarding intermittent furnace failure. Diagnosed faulty collector box causing pressure switch issues as previously identified during phone troubleshooting on November 22. Ordered replacement collector box for this aging unit after inspection of control wiring and plumbing connections.
Responded to a service call for a non-functional Lennox humidifier at a new customer residence. During inspection, observed the complete HVAC system which included a beige furnace/air handler unit with a TRION "Air Bear" media air cleaner. System also featured proper drainage with PVC pipes and appropriate copper line connections. Diagnosed humidifier issue and restored functionality to improve indoor air quality.
Performed fall preventative maintenance on Carrier furnace system recently acquired by customer. Completed full tune-up service, including system inspection of furnace components, associated ductwork, and humidifier/air treatment unit. Identified and replaced dirty air filter to ensure proper system operation and efficiency for the upcoming heating season.
Performed comprehensive furnace tune-up for new customer referred by neighbor. Inspected entire heating system including air handler and tankless water heater installation. Cleaned humidifier and replaced worn humidifier pad to restore proper humidity control function.
Responded to after-hours no heat call for aging system (10+ years). Diagnosed issue as loose 120V electrical connection causing complete power loss to unit. Repaired by properly re-splicing wires, restoring system operation.

Performed annual maintenance on NTI boiler system as part of prepaid service agreement. Completed comprehensive cleaning and tuneup procedures using specialized tools, resulting in optimal system operation.
I performed scheduled maintenance on two furnaces and one boiler system. I replaced two 16x25x4 air filters during the furnace maintenance. I identified a circulation issue in the workout room heating loop and adjusted the thermostat to 68°F to evaluate overnight performance and determine if further troubleshooting is needed for proper heat distribution.

Performed routine maintenance on two furnaces and one boiler as part of CCC Quality Plan monthly service. Replaced two 16x25x4 filters. Identified circulation issue in workout room heating loop, thermostat adjusted to 68 degrees to monitor overnight performance and determine if loop warming improves.
