Kramer Heating & Cooling LLC

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About Kramer Heating & Cooling LLC
Kramer Heating & Cooling LLC is an HVAC contractor based in Little Chute, Wisconsin, serving the surrounding communities of Kaukauna and Appleton. The business holds a 4.9-star rating compiled from 105 customer reviews, reflecting consistent service quality over more than two decades. According to their website, the company has personally answered calls in Outagamie County since 2001, establishing a presence that spans residential and light commercial projects. Their service fleet operates Monday through Friday, with technicians available from 7 AM to 4:30 PM and shortened hours on Tuesdays.
What distinguishes Kramer Heating & Cooling is their transparent business model. Their technicians work on a non-commission pay structure, meaning they never earn commission on repairs recommended, eliminating pressure to oversell unnecessary services. They offer free second opinions on diagnoses and waive dispatch fees entirely. All technicians complete a multi-year Wisconsin apprenticeship program through the company, ensuring standardized training. The business backs their work with Performance, Satisfaction, and No Lemon Guarantees, providing recourse if equipment underperforms. Their portfolio includes equipment from major manufacturers including Rheem, Aprilaire, Mitsubishi, and Burnham, covering furnaces, boilers, ductless mini-splits, and heat pumps.
Customer reviews document specific scenarios demonstrating service reliability. One reviewer described same-day arrival during peak summer heat when their air conditioning failed, with technician Nick performing temporary maintenance to extend the system until full replacement could be arranged. Another review detailed a basement remodel project requiring system expansion, noting communication from Luke continued even while the founder was on vacation, with four different technicians visiting the property and each maintaining clean work areas. A third reviewer recalled furnace replacement during frigid January conditions, praising the smart thermostat installation included with the new equipment.
What Customers Say
Across 105 reviews, customers consistently mention same-day service response during emergencies, with multiple reviewers noting the founder personally follows up on requests. Five-star ratings dominate, with customers naming specific technicians including Luke and Nick and highlighting clean work habits and clear communication throughout projects.
Working Hours
| Sunday | Closed |
| Monday | 7 AM–4:30 PM |
| Tuesday | 7 AM–4 PM |
| Wednesday | 7 AM–4:30 PM |
| Thursday | 7 AM–4:30 PM |
| Friday | 7 AM–4:30 PM |
| SaturdayToday | Closed |
Services
AC Repair & Replacement
Diagnosis, repair, and full replacement of cooling systems including same-day emergency service for failed air conditioners.
Furnace & Heating Service
Furnace repair, replacement, and maintenance including new installations during cold weather months.
Boiler Installation
Burnham and NTI boiler systems installed with heat exchanger and series options for residential heating.
Ductless Mini-Splits
Mitsubishi ductless heat pump systems for zoned heating and cooling without ductwork installation.
Air Quality Products
Aprilaire humidifiers, Broan heat recovery ventilators, and carbon monoxide detectors for indoor air improvement.