# Shandong Kaifeng Energy Saving Technology Co., LTD > Shandong Kaifeng Energy Saving Technology Co., LTD specializes in central air conditioners and HVAC equipment. It's a large scale, modern, and professional enterprise integrating R & D, design, manufa ## Home [Home](https://www.kaifenghvacr.com/) ## Terms of Use [Terms of Use](https://www.kaifenghvacr.com/terms-of-use): ## Policy Privacy [Policy Privacy](https://www.kaifenghvacr.com/policy-privacy): ## Contact Us [Contact Us](https://www.kaifenghvacr.com/contact-us): ## Projects [Projects](https://www.kaifenghvacr.com/projects): ## About Us [About Us](https://www.kaifenghvacr.com/about-us): ## Products link [Products](https://www.kaifenghvacr.com/products/) ## Integrated Evaporative Chiller [Integrated Evaporative Chiller](https://www.kaifenghvacr.com/integrated-evaporative-chiller-product):The evaporative cooling screw chiller uses air and water as the composite cooling source, and the use side uses water as the secondary refrig ## Package air conditioner for tent [Package air conditioner for tent](https://www.kaifenghvacr.com/package-air-conditioner-for-tent-product): ZERO tent air conditioner is widely used in various tents, designed for sports arena, exhibition, wedding, ceremonies and other ki ## Water Cooled Package Unit [Water Cooled Package Unit](https://www.kaifenghvacr.com/water-cooled-package-unit-product): Our Water System Air-Handling Units are expertly crafted for both replacement and new construction projects, catering to commercial, industrial, and ## Split Air Cooled Package Unit [Split Air Cooled Package Unit](https://www.kaifenghvacr.com/split-air-cooled-package-unit-product): Our Split Packaged Air-Handling Units are ideal solutions for replacement and new construction projects designed for commercial, industrial, and arc ## 40-130 Ton Rooftop Package Unit [40-130 Ton Rooftop Package Unit](https://www.kaifenghvacr.com/40-130-ton-rooftop-package-unit-product): The Colossal Series with new features is suitable for hotel, office, hospital, school, factory and supermarket applications. ## 3-5 Ton Rooftop Package Unit [3-5 Ton Rooftop Package Unit](https://www.kaifenghvacr.com/3-5-ton-rooftop-package-unit-product): ZERO Brand Rooftop air conditioning (cooling only) units with an all-air system with a cooling capacity ranging from 3Ton to 5Ton. ## Water Cooled Flooded Screw Chiller [Water Cooled Flooded Screw Chiller](https://www.kaifenghvacr.com/water-cooled-flooded-screw-chiller-product): Water-cooled screw chiller is a refrigeration system utilizing a screw compressor and water as the cooling medium. It transfers heat throug ## Air Cooled Scroll Chiller [Air Cooled Scroll Chiller](https://www.kaifenghvacr.com/air-cooled-scroll-chiller-product): Our free cooling units directly obtain cooling capacity from low-temperature external air during transitional seasons and winter, saving more than 9 ## Air Cooled Screw Chiller [Air Cooled Screw Chiller](https://www.kaifenghvacr.com/air-cooled-screw-chiller-product): It can be widely used in large and medium-sized commercial, civil or industrial buildings and is ideal for data centers, cold storages, temperature ## Direct Expansion Air Handling Unit [Direct Expansion Air Handling Unit](https://www.kaifenghvacr.com/direct-expansion-air-handling-unit-product): Air Handling Systems: Technical Specifications & Operational PrinciplesIndoor and outdoor air handling units (AHUs) are engineered to condit ## 6.2-45 Ton Rooftop Package Unit [6.2-45 Ton Rooftop Package Unit](https://www.kaifenghvacr.com/6-2-45-ton-rooftop-package-unit-product): Operate from 16°C to 52°C in cooling mode and from-10°C to 24° C in heating mode.Standard Cooling only model operate ## News link [News](https://www.kaifenghvacr.com/news/) ## What Causes a Refrigerant Leak in Your AC System? [What Causes a Refrigerant Leak in Your AC System?](https://www.kaifenghvacr.com/news/what-causes-a-refrigerant-leak-in-your-ac-system): ## R454B vs. R410A vs. R32: Which Refrigerant Makes the Most Sense Today? [R454B vs. R410A vs. R32: Which Refrigerant Makes the Most Sense Today?](https://www.kaifenghvacr.com/news/r32-vs-r410a-for-technicians-what-changes-in-installation-and-service): ## Cold Climate Heat Pumps: How to Achieve Reliable Heating and High Efficiency in Low-Temperature Environments [Cold Climate Heat Pumps: How to Achieve Reliable Heating and High Efficiency in Low-Temperature Environments](https://www.kaifenghvacr.com/news/cold-climate-heat-pumps-how-to-achieve-reliable-heating-and-high-efficiency-in-low-temperature-environments): ## Side Discharge Light Commercial AC vs. Top Discharge Units: Which Is Right for You? [Side Discharge Light Commercial AC vs. Top Discharge Units: Which Is Right for You?](https://www.kaifenghvacr.com/news/side-discharge-light-commercial-ac-vs-top-discharge-units-which-is-right-for-you): ## From Temperature Control to Air Ecology: Three Major Directions of Change in the Air Conditioning Industry [From Temperature Control to Air Ecology: Three Major Directions of Change in the Air Conditioning Industry](https://www.kaifenghvacr.com/news/from-temperature-control-to-air-ecology-three-major-directions-of-change-in-the-air-conditioning-industry): ## What do buyers really hope to get from split air conditioner suppliers [What do buyers really hope to get from split air conditioner suppliers](https://www.kaifenghvacr.com/news/what-do-buyers-really-hope-to-get-from-split-air-conditioner-suppliers): ## Fan Coil Units (FCUs): How They Work, Key Benefits, and Applications [Fan Coil Units (FCUs): How They Work, Key Benefits, and Applications](https://www.kaifenghvacr.com/news/fan-coil-units-fcus-how-they-work-key-benefits-and-applications): ## The Global Shift from R410A to R454B: What’s Driving the Change? [The Global Shift from R410A to R454B: What’s Driving the Change?](https://www.kaifenghvacr.com/news/the-global-shift-from-r410a-to-r454b-what-s-driving-the-change): ## Ensuring HVACR Systems Stay Resilient in Changing Climates [Ensuring HVACR Systems Stay Resilient in Changing Climates](https://www.kaifenghvacr.com/news/keep-hvac-r-systems-running-stably-in-the-face-of-climate-change): Keep HVAC/R systems running stably in the face of climate change Buildings cannot press the "pause button" when climate patterns change, ## The Overlooked Factor in HVAC Installation: Accessibility and Design Integration [The Overlooked Factor in HVAC Installation: Accessibility and Design Integration](https://www.kaifenghvacr.com/news/the-overlooked-factor-in-hvac-installation-accessibility-and-design-integration): Installing an HVAC system is much more than just "laying out the equipment and powering it up." It's a complex process that blend ## # Case Study | Air Source Heat Pump Installation Project at the Sara Us National Archaeological Site Park Museum [# Case Study | Air Source Heat Pump Installation Project at the Sara Us National Archaeological Site Park Museum](https://www.kaifenghvacr.com/news/case-study-air-source-heat-pump-installation-project-at-the-sara):The Sara Us site is a National Key Cultural Relics Protection Unit and a renowned archaeological site from the Paleolithic Age. It is a classic site i ## Precautions for Air-Source Heat Pump Heating in Extremely Cold Winter Regions! [Precautions for Air-Source Heat Pump Heating in Extremely Cold Winter Regions!](https://www.kaifenghvacr.com/news/precautions-for-air-source-heat-pump-heating-in-extremely-cold-wi):In extremely cold winter regions, air-source heat pumps offer efficient, eco-friendly, and energy-saving advantages for heating. However, certain prec ## Top search link [Top search](https://www.kaifenghvacr.com/top-search/)