Air Conditioner Wikipedia

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Prevent Carbon Monoxide Poisoning in Your Home wi...

The most common way carbon monoxide can leak into your home from a natural gas furnace is through a cracked heat exchanger. But what is a heat exchanger? The heat exchanger allows for the ...

Schedule Your Preventative Air Conditioner Mainte...

Unfortunately, most homeowners do not think about their air conditioning system until it stops working properly. As HVAC contractors, we get it; when your unit operates in a place you don’t...

Chillers: Steps to Retrocommissioning

Data collection starts with a review of the installation to gather basic information on installed equipment, connected loads, and system operations. The team conducting the retrocommissioni...

Make Your Furnace Last: 4 Tips For Winterizing Yo...

Winter weather has finally arrived here in Des Moines, and with winter comes responsibilities in preparing your home for cold weather and snowy conditions. Here are a few tips for keeping y...

How to Keep My Air Conditioner from Freezing Up

Des Moines has been experiencing record heat this summer. While jumping into a pool of ice may sound appealing to escape the heat, you can cool off much more efficiently by keeping your air...

HVAC Considerations from Design to Post-Construct...

During the design and construction phase, project phasing will also need to be finalized while keeping an eye on time and budget. When an organization moves into a new space, establishing a...

Innovative HVAC Elements to Consider

For this project, an underfloor air distribution system and chilled beam were analyzed. The raised flooring in this application enhanced space utilization flexibility and was a value-added ...

Types of Humidifiers for Your Home: Whole-House v...

Des Moines is experiencing some above-average temperatures this December. But even though Iowans are celebrating the warmer weather, the air is still very dry. Maybe you’ve noticed your ski...

Why Is My Furnace Blowing Cold Air?

Spring is getting closer, but there are a few days of winter weather clinging to the forecast in the upcoming weeks, which means your furnace needs to be fully functional. Have you noticed ...

What’s the Difference Between On and Auto Thermos...

Temperatures have been mild enough recently in Des Moines that you may be enjoying not running your air conditioner or furnace yet. But winter is just around the corner, and when you do dec...

Do I Have to Replace My Furnace and Air Condition...

Heating and A/C units allow families to feel comfortable in their home. A good heating and cooling system should keep you cool in the summertime and warm in the winter months. Many homeowne...

How To Calculate Temporary Cooling Loads

Maintenance and engineering managers in institutional and commercial facilities have come to recognize the importance of temporary-cooling technology in keeping operations going in the even...

Temporary Cooling Systems: Managers Have Many Opt...

To a large extent, the load requirements and the power and space limitations of the application will determine the type of temporary cooling equipment managers specify. Even then, managers ...

Furnace Tune-Up Special Going on Now – Schedule M...

Lenz Heating & Cooling is traveling to homes in Des Moines, West Des Moines, Urbandale, and Winterset making sure heating systems are up to snuff before the harsh winter strikes. Right now ...

In Pre-Design, Define HVAC System Requirements

In his State of the Union Address in January, President Obama unveiled the Better Buildings Initiative, aimed at making commercial buildings 20 percent more energy efficient over the next d...

Common Causes of Furnace Repairs in Des Moines

It always seems like the furnace breaks down on the coldest day of the year. Furnace repairs are inconvenient, and in some cases they can be expensive. The most common causes of furnace rep...

Chillers: Assembling a Retrocommissioning Team

Retrocommissioning is a team effort. The way the manager assembles the team depends on the needs and capabilities of the organization. If the department has sufficient in-house resources an...

Retrocommissioning: Identify Energy-Efficiency Is...

As institutional and commercial buildings age, it becomes more difficult for maintenance and engineering managers to maintain the operating efficiency of their energy-using systems. This is...

The Top 3 Reasons Why Your Furnace Is Turning On ...

Des Moines is known for its cold, harsh winters, which is why it is so important for your furnace to function properly. If your furnace is turning on and off frequently, it could damage the...

Why Is My Furnace Leaking?: 4 Reasons Your Gas Fu...

Have you ever checked on your furnace only to discover your feet are soaking wet? When water pools around the base of your furnace, there could be several explanations. Before you attempt t...

Why Does My Air Conditioner Smell Bad?

Have you found yourself wondering why your air conditioner smells bad lately? It is common for your unit to have a slight odor when switching between heating and cooling seasons. A persiste...

Chillers: Retrocommissioning Restores Design Char...

Chillers are major energy users in institutional and commercial facilities, so it is understandable maintenance and engineering managers look for ways to improve their efficiency. While rep...

Temporary Cooling: Prepare Before an Outage

To provide temporary cooling in institutional and commercial facilities, maintenance and engineering managers have the option of renting or buying specific pieces of equipment. Either optio...

Common Air Conditioner Problems: Inadequate Cooli...

Des Moines homeowners: We’re launching a two-part blog series addressing common air conditioner problems. Most of these problems are easy, quick, inexpensive fixes. Some, however, may requi...

Geothermal Systems: Pay Attention to Control Sequ...

Managers have tools available, such as alternative power and temperature systems, to reduce the cost of power. For example, a geothermal system circulates water through underground wells to...

High Performance Starts with Integrated Design an...

Not long ago, owners had to be persuaded to embrace sustainability. Today, it is owners who are demanding greater efficiencies and a fundamental reduction in resources needed to build, own ...

Common Air Conditioner Problems: Mechanical Issues

Our first blog post described common air conditioner problems mostly relating to the comfort level in your home. This second part explains common mechanical issues you may experience with y...

Possible Futures for the HVAC Industry

Possible Futures for the HVAC Industry in HVAC The game is rapidly changing for every member of the HVAC world. From contractors and cleaners to architects and engineers, everybody is fee...

Retrocommissioning: Question Boiler-Maintenance R...

Retrocommissioning starts with a detailed review of the boiler or water heater, including data on equipment installed, connected loads, the critical nature of those loads, maintenance histo...

What’s the Best Temperature for the Thermostat?

With the brutal summers and winters we see in Des Moines, nothing causes household division like the fight over the perfect thermostat temperature. Some prefer colder temperatures to walk a...

HVAC Upgrades: District Focuses on Motors, Drives...

Due to the various projects the district undertakes, it is important for facilities staff to have a resource they can use to keep track of the different green technologies and strategies. T...

Energy-Efficiency Projects Save School District M...

The school district has tackled numerous renovations and mechanical and electrical upgrades over the last four years. The projects have restored the infrastructure of the district's existin...