Can you provide mounting accessories with the equipment?

Yes of course. This is one of our standard services and we can calculate and quote the installation kit you require. Note: Most of our customers prefer to ship the equipment and installation materials together, we specialize in doing this with good packaging methods.

How about the packaging?

Carton packaging, different logos can be customized according to customer requirements.

What payment methods are supported?

Usually payment is by T/T payment method.

High-Efficiency Free Cooling Rooftop Unit for Office Spaces

Name: High-Efficiency Free Cooling Rooftop Unit for Office Spaces
Brand: ZERO TECHNOLOGIES CO., LTD.
SKU: 2198683555

Guangdong, ChinaZERO TECHNOLOGIES CO., LTD.

US$1,200.00-8,400.00

1 Piece

Product profile

Customization

Available

Air Tube Material

Galvanized Sheet

Corrosion Durability

Higher

Model NO.

3-5ton

Operating Voltage

230 VAC

Noise Level

Low

Lifetime

15~20 years

Certification

Condition

New

Cooling Capacity

24~54 Kw

Heating Capacity

22.8~54 Kw

Sound Pressure Level

61dB(a) - 66dB(a)

Power Supply

208~230V, 1pH, 60Hz

Compressor Type

Twin-Rotary

Control Mode

24V Thermostat

Transport Package

1475*840*1130 mm

Specification

1475*840*1130 mm

Trademark

ZERO

Origin

China

Key features

High Efficiency DC Inverter: Uses permanent magnet motor technology for enhanced performance, efficiency, and low torque start.

Multiple Compressor System: Cycles off compressors to match load, saving energy and allowing service without total shutdown.

Environmentally Friendly Refrigerant: Standard R410A with zero ozone depletion; optional R32 available for new refrigerant gas.

Easy Maintenance Design: External pressure gauge ports and removable access doors for filter, fan, and electric box.

High Efficient Condenser Coil: Staggered inner groove tubes with 25-30% more surface area and mechanically expanded fins.

Customizable Solutions: Adaptable cooling capacity, size, and design to meet unique building and usage requirements.

Comprehensive Safety Control: Includes high-low pressure cutout and automatic electronic expansion valve adjustment.

Company profile

ZERO TECHNOLOGIES CO., LTD.

Guangdong, China

Business Type: Manufacturer/FactoryExport Year: 2013-01-01Nearest Port: Guangzhou, Shenzhen, Hong Kong, QingdaoAverage Response Time: ≤5.79hTerms of Payment: LC, T/T, D/P, etc.International Commercial Terms(Incoterms): FOB, EXW, CFR, CIF, DAT, FAS, DDP, DAP, CIP, CPT, Others, FCA

AI-Powered supplier vetting

SummaryZero Technologies Co., Ltd. is identified as a China-based manufacturer/factory with operations in Guangdong and a production base in Hebei. Its stated product scope covers commercial and residential HVAC equipment, including VRF systems, air handlers, chillers, package units, split systems, and related accessories. Evidence indicates substantial export orientation, broad overseas market coverage, more than 50 overseas agents, and service across more than 100 countries and regions. Production-related information includes a 20,000+ square meter Hebei base, more than 10 production lines, 11–20 quality control staff, and stated off-peak lead times of 2–3 months. The supplier reports multiple management-system certifications and emphasizes R&D, laboratory capability, customization, and technical support. However, the provided information does not sufficiently establish financial strength, formal after-sales service performance, or independently verifiable customer case quality.

Supplier typeThe supplier is explicitly classified as a Manufacturer/Factory and operates under the legal name ZERO TECHNOLOGIES CO., LTD. Its stated offerings are concentrated in HVAC equipment and accessories, while the Hebei base produces packaged units, air handling units, and chillers.

CertificationsThe supplier lists QHSE, LEED, ISO 9001, ASME, ISO 14001, HSE, and QC 080000 under its management-system certifications. The slice does not provide certificate numbers, issuing bodies, validity dates, or product-specific certification scope, but it explicitly indicates multiple certifications.

R&D capabilityThe supplier reports more than 50 R&D engineers, more than 50 R&D designers, a national-level laboratory, professional production equipment, and a senior R&D team. It also states that it develops customized central air-conditioning products and energy-saving designs, providing explicit evidence of R&D and technical development resources.

Production capacityProduction capability is supported by a 20,000+ square meter Hebei base, more than 10 production lines, and a stated professional production team of 160+ members. The supplier produces packaged units, air handling units, and chillers, while reported lead times are 2–3 months off-peak and 6–12 months during peak season.

Customization capabilityThe supplier explicitly states that it provides one-stop HVAC solutions, customized professional central air-conditioning products, energy-saving designs, and technical support. This directly supports customization capability, although the slices do not specify engineering limits, minimum order requirements, or examples of customized configurations.

Client casesThe supplier claims to have served more than 1,000 overseas projects through over 50 overseas agents across more than 100 countries and regions. A trade record also associates the supplier with GRUPO DE REFRIGERACION SA DE CV, but only one transaction is shown and no project details, customer verification, or performance outcomes are provided.

Product Q&A

Q:Are you a manufacturer or trading company?

We are one of the best professional HVAC solutions manufacturers and suppliers in China with more than 10 years of experience, and are also the authorized agents of some well-known brands, such as Dunham-Bush (American brand with 126 years of history) , you can verify us in any way, and if needed we can also provide business references in your area as proof of credibility. Our products have obtained AHRI, RTCA, ENERGY STAR, CE and other certifications.

Q:Can you provide drawing design services?

Yes, we have a professional HVAC engineering team to design your project and optimize the solution, and we can also provide professional HVAC drawings.

Q:Do you have technical support?

We have a professional technical team available 7*24 hours to answer technical questions. After the goods arrive, we can also guide installation and debugging via online video or phone call. If required, we can also dispatch a project engineer to your country at a reasonable cost.

Q:Can you help me calculate the best logistics and transportation price in my country?

Yes, our professional logistics team will help you arrange cost-effective shipping services, allowing you to ship quickly and at a lower cost. Normally we recommend shipping 20GP, 40GP, 40HQ in full container.

Q:What is your delivery time?

About 35-40 days for standard units. The specific time depends on your needs.