HEATING AND COOLING PRODUCTS IN NORTHERN VIRGINIA AND MD

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2. Comfort and Savings with an XC21 Air Conditioner Installation Not all air conditioning units are created equally, and the Lennox XC21 stands out within the industry for its innovative design and highly efficient capabilities. Built with icomfort™-enabled technology, adjusting the output of the unit on your thermostat is a simple process, and this unique system allows for customized programming and control over the temperature within your home.

3. Two-stage technology optimizes performance compared to conventional single-stage systems, resulting in more even temperatures and lower utility bills. High-quality components assure a high level of reliability, even under the harshest outdoor conditions. Innovative history, future comfort The XC16 comes from a long line of Lennox advancements centered in providing you with reliable, durable products, Lab- tested to ensure it can perform in the harshest conditions, the XC16 reflects our commitment to keeping you comfortable for years to come. Peace of mind The XC16 is protected by a 10-year limited warranty on the compressor and a 10-year limited warranty* on all remaining covered components. Money-saving energy efficiency With efficiency ratings up to 17.00 SEER,** the XC16 can save you hundreds of dollars each year on utility bills, compared to older or conventional units.

4. Reliable performance, ideal comfort and money-saving energy efficiency all come together in one perfect package in the Merit Series 13HPX heat pump. Its dependable scroll compressor and high-efficiency outdoor coil work together to keep your home comfortable and your energy costs under control. Every component in the 13HPX is designed for exceptional durability and easy maintenance year after year. Ideal comfort in every season The 13HPX is all-in-one cooling and heating system, perfectly suited to warmer climates. During summer months, it works like an air conditioner, extracting heat from inside your home and moving it outdoors. When the weather turns cooler, the process is reversed as the unit collects heat from the air outside and transfers it inside.

5. Source of alternative energy Patent-pending solar-assist technology uses a combination of solar energy and electricity to reduce peak demand in home electric usage Operates in a wide range of sunlight and temperature conditions ENERGY STAR® qualified • • • Source of innovative comfort Delivers even heating and cooling in every room* Highly reliable, with patented SmartHinge™ panels that require little routine maintenance • • How it works Draws energy from the sun During peak daylight hours, the SunSource Comfort System gets help from a solar panel to heat and cool your home. It uses renewable solar energy to power the outdoor fan motor, reducing the utility-provided electricity needed for operation. The solar-assist increases the system efficiency, reducing the power by as much as 8%. Choosing an ENERGY STAR® product like the XPG20 SunSource™ Comfort System can help you improve comfort and save energy costs. You may also be able to qualify for utility rebates and tax credits. By creating a more efficient home environment, you are contributing to a cleaner global environment.

6. Energy Efficiency • 16-21 SEER/12-14.5 EER New Aesthetic Design • WeatherArmor Ultra™ • Baked on powder paint • Steel louver coil guard • Color matched cabinet screws Extra Quiet Operation • Silencer System II™for sound as low as 70 dBA • Quiet mount split post compressor grommets • Exclusive Silencer Top design • Variable speed outdoor condenser fan motor • Forward-swept condenser fan blade • Compressor blanket Reliability, Quality and Toughness • Two-Stage scroll compressor • Field-installed 16 cu. in. filter drier • Back-seating service valves • High pressure switch • Loss of charge switch • Internal pressure relief valve • Internal thermal overload Controls and Diagnostics • Infinity™ control (Dedicated A,B,C,D Only) • Utility Interface Connection • Up to 18 point diagnostic capability The Carrier Infinity™ 21 Series Ultra High Efficiency-S Two- Stage Air Conditioner with Puron® refrigerant, Model 24ANA1, is available in 2-5 ton nominal sized units. Applications • Long-line - up to 250 ft. total equivalent length • Low ambient (down to 0oF) with Infinity System

7. Efficiency • 13 SEER/11 EER (Nominal) • Microtube Technology™ refrigeration system • Indoor air quality accessories available Sound • Sound level as low as 76 dBA • As low as 74 dBA with optional accessory sound hood • Comfort • System supports Thermidistat™ or standard thermostat controls Reliability • Front--seating service valves • Scroll compressor • Internal pressure relief valve • Internal thermal overload • Filter drier • Balanced refrigeration system for maximum reliability Durability • WeatherArmor™ protection package: • Solid, durable sheet metal construction • Wire coil guard • Baked--on, complete outer coverage, powder paint Applications • Long--line -- up to 250 feet (76.20 m) total equivalent length, up to 200 feet (60.96 m) condenser above evaporator, or up to 60 ft. (18.28 m) evaporator above condenser (See Longline Guide for more information.) • Low ambient (down to --20_F/--28.9_C) with accessory kit Carrier Base 13 Air Conditioner with R-22 Refrigerant, Model 24ABS3, is available in 1.5-5 ton, single phase, nominal-sized units. This model is also available in 2.5-5 ton 208/230v 3 phase, 3-5 ton 460v 3-phase, and 3-5 ton 575v 3 phase.

8. Top of the Line Heat Pump, Top-Rated Performance The Bryant ultra-high efficient, reliable Evolution® Heat Pump offers 18 SEER cooling and heating efficiency, plus 2-stage operation for energy-saving comfort. Its year-round value has earned it a Consumer Digest Best Buy recommendation. These reliable, high-efficiency Bryant® Evolution series heat pumps offer up to 19 SEER cooling and 10 HSPF heating plus 2- stage models for energy-saving comfort. And, if you live near a coastline, you'll find a unit specially designed to withstand salt air. Enjoy cool, summer comfort with up to 19 SEER/13.7 EER efficiency Take advantage of efficient electric heating well into the winter months with up to 10 HSPF efficiency Two-stage operation allows longer, more consistent comfort cycles on low stage for savings and comfort (289B, 286B and 286BNC only) Enhanced summer dehumidification through two-stage operation (289B, 286B and 286BNC only) Sound as low as 66 dB (quiet as a vacuum) Enjoy Wi-Fi® remote access capability to allow complete programming and change control from anywhere with the Evolution® Connex™ control for ultimate performance AeroQuiet™ System design DuraGuard™ Plus protection system Coastal design unit offers added protection against corrosive salt air (286BNC only) Environmentally-sound Puron® refrigerant 10-year parts limited warranty upon registration 5-year coastal corrosion parts limited warranty • • • • • • • • • • • •

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