Compact

Heating System

A compact, efficient and versatile heating system for add-on rooms, apartments and homes!

Williams’ “through-the-wall or through-the- window” gas furnace is an unobtrusive, self-contained direct-vent system that installs easily and quickly using a unique slide-in/slide-out chassis. This design feature also makes servicing easy.

The quiet centrifugal blower system delivers warmth evenly throughout the room. Our compact system offers heating comfort and economical operation.

Window installed models can be conveniently removed during the cooling season.

Compact

Heating

System

installed in

window

Design Features

‰Compact design saves living space

‰Great for additions, apartments and propane models are approved for mobile homes

‰Thermostat mounts on wall or unit

‰Front or rear gas connection increases installation flexibility

‰Dependable solid state ignition

‰Automatic temperature and safety controls

‰Natural and propane gas models

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Williams 250 Series, 400 Series manual Compact Heating System

250 Series, 400 Series specifications

The Williams 250 Series and 400 Series are cutting-edge ranges of air conditioning units, designed to provide optimal comfort and efficiency for both residential and commercial applications. Williams has built a reputation for quality and innovation, and these series reflect the company’s commitment to performance and reliability.

The Williams 250 Series features a compact design that makes it ideal for small spaces and tight installations. This series is particularly known for its energy-efficient operation, helping users save on utility costs while still enjoying a comfortable environment. With multiple BTU options available, the 250 Series can accommodate varying room sizes and specific cooling needs. The units are equipped with advanced dehumidification technology, ensuring reduced humidity levels and improved air quality.

One of the standout characteristics of the 250 Series is its quiet operation. Designed with noise reduction in mind, these units allow for a peaceful indoor atmosphere, making them perfect for bedrooms, living areas, or workplaces. Additionally, the series includes user-friendly controls and programmable thermostats, giving users the flexibility to set their desired temperature easily.

On the other hand, the Williams 400 Series takes innovation a step further. This series is engineered with a focus on enhanced durability and robust performance in various weather conditions. The 400 Series units feature a rugged design and more substantial insulation, allowing them to perform efficiently even in extreme temperatures. This series incorporates smart technology, enabling connectivity via mobile apps for remote monitoring and control.

Moreover, the 400 Series units often come with multi-speed fans and variable speed compressors, which enhance energy efficiency and provide superior climate control by adjusting to the cooling needs in real time. The use of environmentally friendly refrigerants is another key characteristic, aligning with modern sustainability goals.

Both the 250 Series and the 400 Series boast easy installation and maintenance, saving users time and money. With their diverse features and technologies, these units from Williams stand out as reliable solutions for achieving optimal comfort year-round. Whether you opt for the compact efficiency of the 250 Series or the robust performance of the 400 Series, you will experience the quality and technological advancements that Williams products are known for.