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) 315-3095 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!
Pat’s Heating & Air Conditioning has completed 20 jobs in Hartland, WI between June 2026 and October 2026. The most recent job was on October 14, 2026. Pat’s Heating & Air Conditioning has completed 90 jobs in Hartland, WI in the last 12 months.Recent Jobs and Reviews in Hartland, WI
Hartland, WI at a glance
Job Locations and Reviews
Replaced the internal valve on the boiler and verified proper operation of the associated piping and fittings. Inspected the system, noting an oxidized threaded connection on an upper fitting and a recorded expansion tank pre-charge of 14 psi. Repair was performed under parts warranty only, and a recommendation was documented for future boiler evaluation or replacement should additional issues arise.
Responded to emergency service call for boiler system displaying fault code 101 related to indirect water heater malfunction. Performed diagnostic inspection of heating system, including examination of three-way valve operation and boiler components. Documented existing piping configuration, pump assembly, and control panel conditions through photographic evidence. Contacted technical support to confirm diagnosis and ordered necessary replacement parts. System evaluation indicates potential pump failure as primary cause of recurring shutdown issues, requiring part arrival before repair completion can proceed.
Completed Day 1 of boiler replacement installation, removing existing outdated unit and beginning installation of new boiler system. Installed complex copper piping network with multiple vertical and horizontal runs, incorporating brass mixing valves, expansion tank, and necessary fittings and connections. New boiler control panel programmed and operational, displaying system parameters including outlet temperature of 158°F with target setpoint of 173°F, operating at 99% power output and 6.0 psi system pressure in single boiler configuration mode with domestic hot water demand settings enabled.
Responded to upstairs thermostat malfunction while downstairs unit operated normally. Upon inspection, identified faulty battery contacts preventing proper thermostat operation. Replaced existing Carrier programmable thermostat with new unit to restore system functionality and ensure reliable temperature control.
Completed annual prepaid maintenance tune-up on one boiler and one furnace. Both units inspected and tested with all components operating within normal parameters. Identified concern with exhaust vent pipe penetration through exterior siding where recent siding replacement has left the pipe off-center in the opening, creating potential weather intrusion risk. Recommend siding contractor enlarge opening to allow proper installation of protective sleeve or trim collar around vent pipe termination. Documented conditions with photographs of attic plumbing/venting components and exterior vent termination point.
Responded to service call for heating system malfunction. Diagnosed faulty pressure switch preventing unit operation. Removed defective pressure switch and installed new replacement unit. Verified all electrical connections, tested system operation, and confirmed proper functionality. Unit restored to normal operation.
Completed annual prepaid maintenance inspection on two residential furnace units (#501 and #35) per CCC Quality Plan requirements. Both systems were thoroughly inspected, including blower assemblies, control boards, wiring connections, and all mechanical components, with all equipment found to be operating within normal parameters and requiring no adjustments or repairs at this time.
Completed compressor replacement on residential HVAC system under parts and labor warranty. Accessed property through rear entrance as arranged, removed failed compressor unit, and installed replacement compressor. System was evacuated, recharged with refrigerant to manufacturer specifications, and pressure tested to verify proper operation. All refrigerant lines were inspected during installation, and gauge readings confirmed system pressures within normal operating parameters across all zones. Unit was cycled and monitored to ensure proper compressor function and adequate cooling performance before departure.
Completed comprehensive air conditioning tune-up and preventive maintenance inspection on residential split system. Performed standard maintenance procedures including inspection of outdoor condenser unit and indoor air handler with dual control modules. All components operating within normal parameters; system found in good working condition with no deficiencies noted.
Completed annual prepaid maintenance visit on residential HVAC system. Performed comprehensive inspection and maintenance on Armstrong furnace located in basement mechanical room and outdoor air conditioning condenser unit. Inspected all system components, verified proper operation of both heating and cooling equipment, checked electrical connections, and assessed refrigerant lines. Replaced 16x25x1 air filter. All equipment found to be operating within normal parameters with no repairs needed at this time.
Completed installation of 12-2 zone HVAC system including main electrical connections, zone damper assembly with mounting hardware, and ductwork components in attic space. All electrical terminations properly secured, zone control wiring installed, and duct hangers fastened to structural members per manufacturer specifications.
Completed comprehensive air conditioning tune-up and preventive maintenance service under prepaid maintenance plan. Installed new 20x25x4 air filter, inspected air handler cabinet and refrigerant lines, verified all mechanical and electrical components operating within specifications. Unit tested and confirmed ready for cooling season operation.
Responded to service call for leaking indoor evaporator coil. Upon inspection, confirmed active refrigerant leak at indoor coil assembly located in utility closet. Documented equipment condition and leak evidence with photographs showing furnace installation and associated ductwork. Contacted property caretaker prior to arrival as requested to coordinate access and discuss findings.
Responded to after-hours no cooling call on 10+ year old unit. Upon arrival, performed electrical diagnostics and identified failed dual-run capacitor (80+5 MFD, 370-440VAC). Verified capacitor failure using clamp meter, which showed improper readings consistent with capacitor degradation. Replaced defective capacitor with new unit meeting OEM specifications. Tested system operation and confirmed proper amperage draw on compressor and condenser fan motor circuits. Unit restored to normal cooling operation.
Completed annual AC maintenance and tuneup on residential split system. Renewed CCC Quality Plan providing 10% discount on parts and filters. Performed comprehensive inspection of outdoor condensing unit and indoor air handling equipment. Replaced air filter and verified all components operating within normal parameters. System performance confirmed satisfactory with no issues identified.
Completed annual preventative maintenance on Daikin air conditioning system under prepaid maintenance plan. Performed comprehensive clean and check of outdoor condenser unit, replaced 16x25x4 air filter, and verified all components operating within normal parameters with no deficiencies found.
Responded to service call for zoned HVAC system evaluation at recently purchased residence. Homeowner reported temperature discrepancies in multiple zones, specifically master bedroom maintaining 77°F when thermostat set to 74°F. Inspected outdoor condensing unit, verified proper operation and airflow through top-mounted fan assembly. Examined zoning control panel and associated electrical components in interior panel box. System appeared to be functioning within normal parameters at time of inspection, consistent with homeowner's observation of improved performance since initial concerns.
Completed full HVAC system installation including new air conditioning unit and evaporator coil. Removed existing WE Energies green utility box and obsolete outdoor condensing unit. Installed new AC pad for proper equipment placement and replaced electrical disconnect for code compliance. Ran new 25-foot refrigerant line set to connect outdoor condensing unit to indoor evaporator coil. Relocated humidifier to side of plenum to clear water heater gas line and allow proper installation of cased coil on top of B-width furnace. Charged system to manufacturer specifications using precision refrigerant scale and verified proper operation of all components. System tested and left in full working order.
Performed preventive maintenance inspection on residential air conditioning system and furnace unit under maintenance agreement. Documented existing HVAC installation including exterior refrigerant line set with proper insulation, condensate drain line, and furnace interior components including heat exchanger, gas valve assembly, control board, and blower motor assembly, confirming all systems operational and customer enrolled in maintenance program.
Responded to customer complaint of one bedroom freezing while other areas remained warm. Upon inspection, discovered extensive frost and ice buildup on interior evaporator coil and surrounding components, indicating restricted airflow or low refrigerant condition. The heavy frost accumulation confirmed inadequate heat exchange and explained the temperature imbalance throughout the home. Documented conditions with photos showing crystalline ice coating on metal surfaces, coil assembly, and internal panels. Assessed zoning system operation and airflow distribution. Advised customer of findings and discussed potential tune-up service for further system evaluation and maintenance.
