How To Know If House Has Electrical Problems

February 4, 2021

Since most of your home’s electrical components are hidden away inside walls and ceilings, it can be hard to notice when something goes wrong. However, ignoring electrical problems can lead to higher utility bills, broken appliances, and even housefires. If you want to avoid any major inconveniences, keep an eye out for these common signs of electrical issues. Buzzing Sounds When Using Electricity We might associate buzzing sounds with electrical power, but a functional system should be almost silent. Any noticeable buzzing sounds near your electricity should be a cause for concern. Hearing a buzzing,

Continue Reading
company icon

How Does Geothermal Heating Work in the Winter?

January 21, 2021

Heating your home with a geothermal system in the winter might strike you as implausible. Cold weather freezes the ground, which raises the question of how much heat can actually be transferred from the ground to your home. The answer is quite a bit. Low outside temperatures and frozen ground have no impact on a geothermal system. Only a few feet below the surface, the Earth holds a nearly constant temperature of roughly 55 degrees Fahrenheit. Such a temperature is more than sufficient for a geothermal heat pump to transfer heat from underground and keep your home comfortable.

Continue Reading
company icon

How Winter Affects Indoor Air Quality and Why It Matters

December 18, 2020

If you’re like most Fox Valley, WI, area homeowners, you’ll spend more than 90% of your time indoors during the winter months. Most of that time will be spent in your home. You may be shocked to discover that in most homes, the indoor air is two to five times more polluted than the outdoor air. This indoor air pollution has many negative effects on your comfort, health, safety, and well-being. Here’s what affects your home’s indoor air quality and some reasons why the quality of your indoor air should be one of your top priorities

Continue Reading
company icon

Geo-Thermal Heating

September 17, 2020

Black-Haak would like to share with you a video on Geo-Thermal Heating! Check out upcoming improvements to the XT Series Multi-Positional vertical geothermal heat pumps featuring an all-new Aluminum Micro-Chanel Air Coil. This innovation solves a huge HVAC industry issue by eliminating the potential for Formicary Corrosion. Enertech is the first manufacturer to use this technology as both a condenser and an

Continue Reading
company icon

Air Conditioning Installation, Service & Repair With Black-Haak!

September 17, 2020

Black-Haak has the knowledge and experience to answer any question in home heating, cooling, and air quality. We offer Temp Star variable speed furnaces with up to 95% efficiency plus super-efficient air conditioners. Black-Haak will inform you of all money-saving rebates and utility programs. You will get a perfect installation for your unique home requirements. You can have it all! Serving the entire Fox

Continue Reading
company icon

Money Saving Announcement

September 17, 2020

Black-Haak has put together extra-low combination prices and end-of-season discounts on Tempstar furnaces and air conditioning units. We help you save energy and money at Black-Haak! Give us a call at (920) 757-9990 in Appleton or (920) 231-6642 in

Continue Reading
company icon

Black-Haak Heating Receives Top Sales Award From Tempstar For HVAC Sales For 2014

September 17, 2020

Appleton, WI (May 4, 2015) – Gary Hazelberg, Residential Sales Manager and Jim Valentine Territory Manager for Temperature Systems Inc. in Green Bay recently presented the 2014 Tempstar Top Sales Award to Black-Haak in Appleton. The award was presented to brothers Jim and Jeff Haak at their showroom. Black-Haak has won this award for 9 years in a row since 2006. Black-Haak has been representing the Tempstar line of HVAC products since 1989. Black-Haak also has three electricians on staff and offers service in the evening and on Saturdays at their regular service rate. All of Black-Haak

Continue Reading
company icon

2012 Promotional Video

September 17, 2020

Black-Haak would like to share with you its heating and cooling promotional video for 2012 that airs on local televisions throughout the Fox

Continue Reading
company icon

Pulling For Honor

August 12, 2020

This weekend the Black-Haak team participated in 2019 Pulling For Honor event. The purpose of this event was to raise money for Old Glory Flights. The mission of this event was to come together with ATW to raise $85,000 to fully fund one Honor Flight enabling 100 veterans to experience an unforgettable trip to Washington D.C. Altogether over $105,000 was raised this weekend! Black-Haak would like to thank our sponsors Daikin and Stevens along with all the families who came out to support us! We as a team learned so much and can’t wait to participate next

Continue Reading
company icon

COVID-19 Customer Letter

March 20, 2020

To our valued customers: In these uncertain times we’d like you to know that all of us here at Black-Haak remain committed to taking care of our customers’ heating, cooling, air quality and electrical needs. We will remain flexible for what the future holds. Our number one goal is to keep our customers and employees safe and we will continue to closely monitor guidelines and recommendations from the Centers for Disease Control. When we visit your home or business, rest assured we will follow CDC guidelines for cleanliness standards. Our technicians

Continue Reading
company icon