Engineering solutions for heating, ventilation and air-conditioning
Consulting, energy-efficiency measures and HVAC design for industrial, public, residential and commercial buildings.
Consulting services
Independent engineering assessment and clear recommendations – before, during and after design.
Assessment of existing HVAC systems
Site survey, measurements and analysis of system performance and condition. A clear report with findings and recommendations.
Concepts and feasibility studies
Options compared by capital cost, operating cost and energy use – for an informed decision from the start.
Technical briefs and specifications
Complete, precise design documentation – technical requirements and specifications that ensure exactly the right equipment is supplied.
Design review and optimisation
Review of HVAC designs and proposals for more efficient, cost-effective solutions.
Commissioning support
On-site adjustment, balancing and verification of design parameters.
Energy efficiency of HVAC systems
We identify where an HVAC system can be optimised and propose measures that reduce its operating costs.
Heat recovery
Recovering heat from exhaust ventilation air.
Variable-speed drives
Fans and pumps matched to the actual load.
Heat pumps and renewables
Replacing conventional sources with heat pumps and solar systems.
Controls and schedules
Optimising control logic, operating schedules and set points.
Hydronic balancing
Correct flow distribution in heating and cooling circuits.
Free cooling
Using outdoor air for cooling whenever conditions allow.
Equipment upgrades
Replacing outdated units with high-efficiency equipment.
Savings assessment
Calculating energy saved, costs and payback period.
We also prepare the energy-efficiency section of building permit designs.
How we work
Survey and analysis
Understanding the site, requirements and existing documentation.
Concept
Solution options with cost and energy assessment.
Design
HVAC design with bills of quantities.
Delivery
Support during construction and commissioning.
HVAC design
Designs at every stage – compliant with current regulations and coordinated with all other disciplines.
Heating
Water, steam, air and renewable sources; boiler plants and process heat supply.
Ventilation
Public, residential, healthcare and industrial buildings.
Air-conditioning
Water-based and refrigerant systems.
Cleanrooms
ISO 14644 and GMP – cleanliness classes, pressure cascades, HEPA filtration.
Production facilities
Process heating and cooling, dust extraction, local exhaust systems.
Gas and solar systems
Building gas installations and solar thermal systems.
Specifications and BoQ
Equipment specifications and bills of quantities.
Coordination
Working with partners in architecture, structures, plumbing and electrical.
Projects
More than 400 projects designed and completed in Bulgaria and abroad. Select a project to see its photos.
Other projects
50- Reconstruction of the National AssemblySofia
- National Palace of Culture – Phase IIISofia
- Sofia National Opera and BalletSofia
- American University in BulgariaBlagoevgrad
- Reconstruction of the Embassy of GreeceSofia
- Sfumato TheatreSofia
- Surgical clinicsPlovdiv
- Regional hospitalSliven
- Balneological sanatoriumHisarya
- Heating system reconstruction at the Bulgarian Mint – Gara IskarSofia
- Reconstruction of Building No. 1, Boyana Residence, for the National History MuseumSofia
- Extension of the L. Pipkov National School of MusicSofia
- Refurbishment and reconstruction of Sliven Sports HallSliven
- BAUMAX 2 DIY hypermarketSofia
- Kindergarten, Gorublyane districtSofia
- Mr. Pizza restaurantSofia
- Laser printing and administration buildingSofia
- Europe Trade Center, Building 15Sofia
- Villas 15 and 16, American College of SofiaSofia
- Boyana office buildingSofia
- Perlata office buildingSofia
- Office building, 47 Moskovska St.Sofia
- Business Park PlovdivPlovdiv
- Residential buildingBansko
- Divaka restaurantsSofia
- Dunkin' Donuts outletsSofia
- Atlantic Forum office buildingSofia
- SD Comet Electronics office buildingSofia
- Production facility for graphics and advertising structuresSofia
- Cinema multiplex, National Palace of CultureSofia
- Sedia administrative buildingSofia
- Corecom – Princess, 8 Kaloyan St.Sofia
- Corecom – Princess shopping center, Mladost 4Sofia
- Air-conditioning systems for the reconstruction of Hotel PrincessSofia
- Reconstruction of 4 Slavyanska St. for the Ministry of FinanceSofia
- Reconstruction of Hotel PrincessSofia
- Administrative and exhibition centerSofia
- Jupiter Insurance building, Han Omurtag St.Sofia
- Museum café-club in the National Archaeological MuseumSofia
- Hotel Maria LuisaSofia
- Zhdreloto training and recreation center with swimming poolTran
- Diplomatic residencesBudapest, Hungary
- First Private Bank branchBansko
- First Private Bank branch, MladostSofia
- Biochim Bank, 1 Ivan Vazov St.Sofia
- Biochim Bank, Battenberg branchSofia
- Restaurant complexBansko
- Public space in the center of BlagoevgradBlagoevgrad
- Experimental residential complex, Motopista districtSofia
- HospitalRadomir
…as well as many residential and office buildings, hotels and restaurants in Sofia and across Bulgaria.
About us
Industrial
Production buildings, cleanrooms, process installations.
Residential
Apartment buildings and complexes, houses, retrofits.
Commercial and public
Offices, banks, shopping centres, hotels, hospitals, schools, theatres and museums.
Term 1994 Ltd. was established in 2006 as the successor of Term 94 – Ivan Kostov, founded in 1994 by Eng. Ivan Kostov.
Our experience covers cleanrooms to ISO 14644 and GMP, production installations, and public, residential and commercial buildings.
Our aim is systems with minimal energy, capital and operating costs, and maximum comfort for the people in the building.
Contact
Call or email us for a consultation or a quote.